CN105184207B - A kind of management method and its system of article useful life - Google Patents
A kind of management method and its system of article useful life Download PDFInfo
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- CN105184207B CN105184207B CN201510522649.4A CN201510522649A CN105184207B CN 105184207 B CN105184207 B CN 105184207B CN 201510522649 A CN201510522649 A CN 201510522649A CN 105184207 B CN105184207 B CN 105184207B
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- 238000007726 management method Methods 0.000 title claims abstract description 69
- 238000000034 method Methods 0.000 claims abstract description 21
- 238000007689 inspection Methods 0.000 claims abstract description 11
- 230000002427 irreversible effect Effects 0.000 claims description 37
- 230000004048 modification Effects 0.000 abstract description 5
- 238000012986 modification Methods 0.000 abstract description 5
- 230000007547 defect Effects 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 4
- 230000008859 change Effects 0.000 description 2
- 230000004438 eyesight Effects 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 238000011079 streamline operation Methods 0.000 description 2
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000013523 data management Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The present invention relates to a kind of management method of article useful life, comprise the following steps：Coding step：The useful life and essential information of article are encoded, and the useful life after coding and essential information are bound with article；Checking procedure：During inspection, useful life and essential information on article are read, when current time is located in useful life, obtains essential information.The present invention also proposes a kind of management system of article useful life.The present invention is managed by coding techniques to the useful life of article, avoid artificial modification, overcome existing paper labels or the defects of hand-written writing can not recognize, and the key by being encrypted to obtain to the useful life of article is used as the key of encryption essential information, ensure that the article in useful life can just be sold.
Description
Technical field
The present invention relates to a kind of data management technique, the management method of more particularly to a kind of article useful life and its it is
System.
Background technology
Current most of articles for having quality guarantee period or the term of validity, such as food, daily necessities, medicine etc., have plenty of logical
Cross patch paper labels or hand-written mode shows the date of manufacture or validity date of the article in packaging, but this mode is present
Many defects, such as, it is easy to artificially changed so that should the article of undercarriage climb up shelf again, this kind of article is once
Used or edible, the health of consumer may be influenceed；And writing and hand-written writing in these paper labels
It is easy to obscure, leads to not recognize；And paper labels once come off, the quality guarantee period of article can not be just obtained；Also this
The mode on kind mark date is difficult to find sometimes, causes to have no way of judging the quality guarantee period；In addition, some article mark dates
Writing very little, for the not good enough people of some eyesights is particularly presbyopic people, basic None- identified.
Recently as the development of information coding technique, for example, bar code, Quick Response Code, electronic tag etc., more and more
Then information can be read out content therein by code reader by way of coding comprising in the label.It is but this
Mode is that can obtain the essential information of article, but the term of validity of article or quality guarantee period effectively can not be managed.
Therefore, it is necessary to develop it is a kind of by coding techniques come the method for management article useful life.
The content of the invention
The management method and its system of a kind of article useful life proposed by the present invention, are made using coding techniques to article
It is managed collectively with time limit and essential information, efficiently solves above-mentioned technical problem.
A kind of management method of article useful life proposed by the present invention, this method comprise the following steps：
Coding step：The useful life and essential information of article are encoded, and by the useful life and base after coding
This information is bound with article；
Checking procedure：During inspection, useful life and essential information on article are read, is located at useful life in current time
When interior, essential information is obtained.
Further, the coding step is specially：
S1：The useful life of article is set according to the situation of article, and the useful life of article is encoded to obtain thing
The coding information of product useful life；
S2：The essential information of article is encoded to obtain the coding information of article essential information, and article is believed substantially
The coding information of breath is encrypted, and obtains the ciphertext of article essential information, wherein, the essential information of article includes the title of article
Information and pricing information, key is that the coding information of article useful life is entered using irreversible encryption algorithm used by encryption
The key that row encryption obtains, the irreversible encryption algorithm are stored in management equipment；
S3：The ciphertext of the coding information of article useful life and article essential information and article are bound.
Further, the checking procedure is specially：
S4：During inspection, code reader read article on article useful life coding information and article essential information it is close
Text, and the ciphertext of the coding information of the article useful life of reading and article essential information is sent to management equipment；
S5：The coding information of article useful life of the management equipment to receiving decodes, and obtains the validity period of article
Limit, then judge current time whether in the useful life；If it is, to the coding of the article useful life received
Information is encrypted to obtain key using the irreversible encryption algorithm, and the secret key decryption then obtained using this article is believed substantially
The ciphertext of breath, obtain the coding information of article essential information；The coding information of article essential information is decoded afterwards, decoded
Article essential information afterwards is sent to code reader, if code reader can obtain article from the article essential information received
Essential information, then the article be in the shelf-life.
Or the checking procedure is specially：
S4：During inspection, code reader read article on article useful life coding information and article essential information it is close
Text, the coding information of article useful life is decoded, obtains the useful life of article, then judge current time whether position
In in the useful life；If it is, the ciphertext of the coding information of the article useful life of reading and article essential information is sent out
It is sent to management equipment；
S5：The coding information of article useful life of the management equipment to receiving is added using the irreversible encryption algorithm
It is close to obtain key, the ciphertext of the secret key decryption article essential information then obtained using this, obtain the volume of article essential information
Code information, and the coding information of article essential information is sent to code reader；
S6：Code reader decodes to the coding information of article essential information, if code reader is from decoded article base
The essential information of article can be obtained in this information, then the article was in the shelf-life.
In addition, described code reader can be inquiry terminal or mobile terminal.
The present invention also proposes a kind of management system of article useful life, and the system includes：Management equipment, code reader sum
According to processor, wherein,
Data processor is encoded to obtain the coding information of article useful life to the useful life of article, and to thing
The essential information of product is encoded to obtain the coding information of article essential information, and the coding information of article essential information is carried out
Encryption, obtains the ciphertext of article essential information, wherein, key is that the coding information of article useful life is adopted used by encryption
Obtained key is encrypted with irreversible encryption algorithm, the irreversible encryption algorithm is stored in management equipment, article
The coding information of useful life and the ciphertext of article essential information are bound with article；
Code reader reads the coding information of article useful life and the ciphertext of article essential information on article, and by article
The coding information of useful life and the ciphertext of article essential information are sent to management equipment；
The coding information of article useful life of the management equipment to receiving decodes, and obtains the useful life of article,
Then judge current time whether in the useful life；If it is, the coding of the article useful life to receiving is believed
Breath is encrypted to obtain key using the irreversible encryption algorithm, the secret key decryption article essential information then obtained using this
Ciphertext, obtain the coding information of article essential information；The coding information of article essential information is decoded afterwards, after decoding
Article essential information be sent to code reader；Code reader is from the article essential information received if the base of article can be obtained
This information, then the article be in the shelf-life.
The present invention also proposes a kind of management system of article useful life, and the system includes：Management equipment, code reader sum
According to processor, wherein,
Data processor is encoded to obtain the coding information of article useful life to the useful life of article, and to thing
The essential information of product is encoded to obtain the coding information of article essential information, and the coding information of article essential information is carried out
Encryption, obtains the ciphertext of article essential information, wherein, key is that the coding information of article useful life is adopted used by encryption
Obtained key is encrypted with irreversible encryption algorithm, the irreversible encryption algorithm is stored in management equipment, article
The coding information of useful life and the ciphertext of article essential information are bound with article；
Code reader reads the coding information of article useful life and the ciphertext of article essential information on article, and article is made
Decoded with the coding information in time limit, obtain the useful life of article, then judge whether current time is located at the validity period
In limit；Set if it is, the ciphertext of the coding information of the article useful life of reading and article essential information is sent into management
It is standby；
The coding information of article useful life of the management equipment to receiving is encrypted using the irreversible encryption algorithm
Key is obtained, the ciphertext of the secret key decryption article essential information then obtained using this, obtains the coding of article essential information
Information, and the coding information of article essential information is sent to code reader；
Code reader decodes to the coding information of article essential information, if code reader is believed substantially from decoded article
The essential information of article can be obtained in breath, then the article was in the shelf-life.
Further, data processor and management equipment can be different parts or the same part.
Further, described code reader can be inquiry terminal or mobile terminal.
Beneficial effects of the present invention：
1. the present invention is managed by coding techniques to the useful life of article, artificial modification is avoided, is overcome
The defects of existing paper labels or hand-written writing can not recognize, can not obtain, be difficult to find, have no way of judging, None- identified.It is logical
The unified management to the useful life and essential information of article is crossed, ensure that the article in useful life can just be sold.
2. useful life of the present invention is directly processed into ciphertext as in plain text to useful life progress irreversible encryption, and will
Key of the ciphertext as the essential information of encryption article；And the management equipment for preserving irreversible encryption algorithm belongs to factory
Family or the third party belonged to outside manufacturer and seller, at least have the following advantages that：(1) even if obtaining validity period
Limit, but can not be obtained because irreversible encryption algorithm is stored in manufacturer or third party, therefore the ciphertext can not obtain, from
And effectively prevent that key is cracked, it ensure that the safety of article essential information；(2) it is if useful life is artificially changed, i.e., bright
Text is changed, then during inspection, it can not obtain decrypting the correct key of article essential information according to amended useful life, because
This can not obtain the information such as the price of article, so that it is guaranteed that article can not be sold, the effective guarantee rights and interests of consumer.
3. the deadline information and essential information of the article of the present invention are all bound with article, only need to protect in management equipment
Corresponding irreversible encryption algorithm is deposited, therefore the requirement to the memory capacity of management equipment is also relatively small.And simply count
Code reader can be transferred to complete according to processing, reduce the data processing pressure of management equipment, and can effective streamline operation, section
About process resource.
Brief description of the drawings
Fig. 1 is the flow chart of the article useful life management method of the present invention.
Fig. 2 is the structural representation of the article useful life management system of the present invention.
Embodiment
For the object, technical solutions and advantages of the present invention are more clearly understood, below in conjunction with specific embodiment, and reference
Accompanying drawing, the present invention is described in more detail.But those skilled in the art know, the invention is not limited in accompanying drawing and following reality
Apply example.
As shown in figure 1, the management method of useful life proposed by the present invention comprises the following steps：
S1：The useful life of article is set according to the situation of article, and the useful life of article is encoded to obtain thing
The coding information of product useful life.The coding mode information of the useful life can have a variety of, and the representation of the information also may be used
It is a variety of to have, so that useful life is in units of day as an example, it can be represented according to the date of manufacture and deadline of article, also may be used
To be represented using only the deadline, can also be represented using date of manufacture and effective number of days.Alternatively, it is also possible to according to article
Situation using the chronomere such as year, the moon, hour, minute.
S2：The essential information of article is encoded to obtain the coding information of article essential information, and article is believed substantially
The coding information of breath is encrypted, and obtains the ciphertext of article essential information.Wherein the essential information of article includes the title of article
And price, it can also be set according to the species of article, purposes etc., such as can also be including the place of production etc.；Article essential information
The coding mode information of coded system and useful life can be with identical, can also be different；Key is to thing used by encryption
The key that the coding information of product useful life is encrypted to obtain using irreversible encryption algorithm, the irreversible encryption algorithm
It is stored in management equipment.
S3：The ciphertext of the coding information of article useful life and article essential information and article are bound, can be adopted
Bound with modes such as bar code, Quick Response Code, electronic tags.
S4：During inspection, code reader reads the coding information and article essential information of the article useful life of article binding
Ciphertext, and the ciphertext of the coding information of the article useful life of reading and article essential information is sent to management equipment；
S5：The coding information of article useful life of the management equipment to receiving decodes, and obtains the validity period of article
Limit, then judge current time whether in the useful life；If it is, to the coding of the article useful life received
Information is encrypted to obtain key using the irreversible encryption algorithm, and the secret key decryption then obtained using this article is believed substantially
The ciphertext of breath, obtain the coding information of article essential information；The coding information of article essential information is decoded afterwards, decoded
Article essential information afterwards is sent to code reader, if code reader can obtain article from the article essential information received
The information such as title, price, then the article be in the shelf-life.Because the coding information of article useful life may be repaiied by improper
Change, may not be real useful life to the article useful life obtained after the coding information decoding of article useful life, because
This needs the ciphertext in article essential information decrypted and after decoding obtains correct article essential information, and the article can be by
Sell.If current time was not in the shelf-life, or obtained key is incorrect that cause can not be from the thing after decryption
The information such as correct title, price are obtained in the essential information of product, then the article can not be sold, and inform consumer's article
It can not use, eat.
Wherein, if code reader possesses data processing function, then decode the coding letter of article useful life in step S5
The step of breath and judge current time whether the step in the useful life, and/or the coding to article essential information
The step of information is decoded, it can also be completed by code reader, so as to reduce the data processing pressure of management equipment.Such as
Fruit decodes the step of coding information of article useful life and judges the step whether current time is located in the useful life
Completed by code reader, only when code reader judges that current time is located in the useful life, just send article to management equipment
The coding information of useful life and the ciphertext of article essential information, can effective streamline operation, save process resource.
Because irreversible encryption computing is to input after plaintext to be directly over AES processing by system in ciphering process
Into ciphertext, it is not necessary to which using key, therefore the ciphertext obtained by this cipher mode can not be decrypted, only again defeated
Enter the plaintext, and again pass by same irreversible encryption algorithm process, after obtaining identical ciphertext and being re-recognized by system,
Could really it decrypt.There are the MD5 algorithms of RSA companies invention and by American National mark using more irreversible encryption algorithm at present
Irreversible encryption standard SHS (safe gibberish standard) that quasi- office suggests etc..Therefore, the article base encrypted using this key
The coding information of this information will not be cracked by improper.
Management equipment may belong to manufacturer, the third party that can also belong to outside manufacturer and seller, but not
Belong to seller, therefore the safety of decryption information needed will not be effectively ensured by malicious modification in the information in management equipment.And
Only needed and the useful life and essential information of article are all bound with article, in management equipment irreversible used in preservation
AES, thus it is also relatively small to the storage capacity requirement of management equipment.
The present invention is directly processed into ciphertext using useful life as in plain text to useful life progress irreversible encryption, and will
Key of the ciphertext as the essential information of encryption article, the advantages of this technological means that uses of the present invention is at least following：
1. even if obtain useful life, but can not be obtained because irreversible encryption algorithm is stored in manufacturer or third party, therefore
The ciphertext can not obtain, and so as to effectively prevent key to be cracked, ensure that the safety of article essential information；2. if useful life
Artificially changed, i.e., changed in plain text, then during inspection, decryption article can not obtained according to amended useful life and believed substantially
The correct key of breath, therefore can not obtain the information such as the price of article, so that it is guaranteed that article can not be sold, effective guarantee disappears
The rights and interests of the person of expense.
Here code reader can be the inquiry terminal of the code reading device or seller used during sale, or
It is the mobile terminals such as the mobile phone of consumer.The produces day of the article is will be seen that by inquiry terminal or mobile terminal, consumer
Phase, the term of validity, the number of days on range cutoff date etc., to decide whether to buy, using or it is edible etc..In addition, in order to allow consumer
Be best understood from the issuable factor unfavorable to human body of the article, the present invention can also by manufacturer article information
Physics, the explanatory note of chemical change and/or caption and the possible harm that middle addition article may occur with the time,
So the safety in utilization of article can not only be further improved, and strengthen the supervision pipe to manufacturer and seller
Reason, whether can be bought especially for some articles for closing on the deadline, using or it is edible, there is provided reference frame.
After inspection, date of manufacture of the article, useful life, whether within the shelf-life etc. relevant information, can look into
Ask and shown on terminal or mobile terminal, can also be played by the receiver or loudspeaker for inquiring about terminal or mobile terminal, this
The people that sample contributes to some eyesights not good enough is particularly presbyopic people and understands relevant information.
The invention also provides a kind of management system of article useful life, as shown in Fig. 2 the system includes：Management is set
Standby 1, code reader 2 and data processor 3.
Data processor 3 is encoded to obtain the coding information of article useful life to the useful life of article, and right
The essential information of article is encoded to obtain the coding information of article essential information, and the coding information of article essential information is entered
Row encryption, obtains the ciphertext of article essential information, wherein, key is the coding information to article useful life used by encryption
The key for being encrypted to obtain using irreversible encryption algorithm, the irreversible encryption algorithm are stored in management equipment 1, thing
The coding information of product useful life and the ciphertext of article essential information are bound with article.
Code reader 2 reads the coding information of article useful life and the ciphertext of article essential information on article, and by thing
The coding information of product useful life and the ciphertext of article essential information are sent to management equipment 1.
The coding information of article useful life of the management equipment 1 to receiving decodes, and obtains the useful life of article,
Then judge current time whether in the useful life；If it is, the coding of the article useful life to receiving is believed
Breath is encrypted to obtain key using the irreversible encryption algorithm, the secret key decryption article essential information then obtained using this
Ciphertext, obtain the coding information of article essential information；The coding information of article essential information is decoded afterwards, after decoding
Article essential information be sent to code reader 2.
, should if code reader 2 can obtain the information such as title, the price of article from the article essential information received
Article was in the shelf-life.Because the coding information of article useful life may be by improper modification, to article useful life
The article useful life obtained after coding information decoding may not be real useful life, it is therefore desirable in article essential information
After ciphertext is decrypted and decoding obtains correct article essential information, the article can be sold.If current time
It is not in the shelf-life, or obtained key is incorrect causes to obtain just from the essential information of the article after decryption
The information such as true title, price, then the article can not be sold, and inform that consumer's article can not be used, eaten.
Wherein, data processor 3 and management equipment 1 can be different parts or the same part.
It is will not be repeated here in the system with method identical content.
More than, embodiments of the present invention are illustrated.But the present invention is not limited to above-mentioned embodiment.It is all
Within the spirit and principles in the present invention, any modification, equivalent substitution and improvements done etc., it should be included in the guarantor of the present invention
Within the scope of shield.
Claims (8)
1. a kind of management method of article useful life, it is characterised in that this method comprises the following steps：
Coding step：The useful life and essential information of article are encoded, and the useful life after coding is believed with basic
Breath is bound with article；
Checking procedure：During inspection, useful life and essential information on article are read, is located in current time in useful life
When, obtain essential information；
Wherein, the coding step is specially：
S1：Set the useful life of article according to the situation of article, and the useful life of article is encoded to obtain article made
With the coding information in time limit；
S2：The essential information of article is encoded to obtain the coding information of article essential information, and to article essential information
Coding information is encrypted, and obtains the ciphertext of article essential information, wherein, the essential information of article includes the name information of article
And pricing information, key is that the coding information of article useful life is added using irreversible encryption algorithm used by encryption
Close to handle obtained key, the irreversible encryption algorithm is stored in management equipment；
S3：The ciphertext of the coding information of article useful life and article essential information and article are bound.
2. management method as claimed in claim 1, it is characterised in that the checking procedure is specially：
S4：During inspection, code reader reads the coding information of article useful life and the ciphertext of article essential information on article, and
The ciphertext of the coding information of the article useful life of reading and article essential information is sent to management equipment；
S5：The coding information of article useful life of the management equipment to receiving decodes, and obtains the useful life of article, so
Judge current time whether in the useful life afterwards；If it is, to the coding information of the article useful life received
It is encrypted to obtain key using the irreversible encryption algorithm, the secret key decryption article essential information then obtained using this
Ciphertext, obtain the coding information of article essential information；The coding information of article essential information is decoded afterwards, it is decoded
Article essential information is sent to code reader, if code reader can obtain the basic of article from the article essential information received
Information, then the article be in the shelf-life.
3. management method as claimed in claim 1, it is characterised in that：The checking procedure is specially：
S4：During inspection, code reader reads the coding information of article useful life and the ciphertext of article essential information on article, right
The coding information of article useful life is decoded, and obtains the useful life of article, is then judged whether current time is located at and is somebody's turn to do
In useful life；If it is, the ciphertext of the coding information of the article useful life of reading and article essential information is sent to
Management equipment；
S5：The coding information of article useful life of the management equipment to receiving is encrypted using the irreversible encryption algorithm
To key, the ciphertext of the secret key decryption article essential information then obtained using this, the coding letter of article essential information is obtained
Breath, and the coding information of article essential information is sent to code reader；
S6：Code reader decodes to the coding information of article essential information, if code reader is believed substantially from decoded article
The essential information of article can be obtained in breath, then the article was in the shelf-life.
4. management method as claimed in claim 2 or claim 3, it is characterised in that：Described code reader can be inquiry terminal, also may be used
To be mobile terminal.
5. a kind of management system of article useful life, it is characterised in that the system includes：Management equipment, code reader and data
Processor, wherein,
Data processor is encoded to obtain the coding information of article useful life to the useful life of article, and to article
Essential information is encoded to obtain the coding information of article essential information, and the coding information of article essential information is added
It is close, the ciphertext of article essential information is obtained, wherein, key is the coding information use to article useful life used by encryption
Obtained key is encrypted in irreversible encryption algorithm, and the irreversible encryption algorithm is stored in management equipment, and article makes
Bound with the coding information in time limit and the ciphertext of article essential information with article；
Code reader reads the coding information of article useful life and the ciphertext of article essential information on article, and article is used
The coding information in time limit and the ciphertext of article essential information are sent to management equipment；
The coding information of article useful life of the management equipment to receiving decodes, and obtains the useful life of article, then
Judge current time whether in the useful life；If it is, the coding information of the article useful life to receiving is adopted
Be encrypted to obtain key with the irreversible encryption algorithm, the secret key decryption article essential information then obtained using this it is close
Text, obtain the coding information of article essential information；The coding information of article essential information is decoded afterwards, decoded thing
Product essential information is sent to code reader；Code reader is from the article essential information received if the basic letter of article can be obtained
Breath, then the article was in the shelf-life.
6. a kind of management system of article useful life, it is characterised in that the system includes：Management equipment, code reader and data
Processor, wherein,
Data processor is encoded to obtain the coding information of article useful life to the useful life of article, and to article
Essential information is encoded to obtain the coding information of article essential information, and the coding information of article essential information is added
It is close, the ciphertext of article essential information is obtained, wherein, key is the coding information use to article useful life used by encryption
Obtained key is encrypted in irreversible encryption algorithm, and the irreversible encryption algorithm is stored in management equipment, and article makes
Bound with the coding information in time limit and the ciphertext of article essential information with article；
Code reader reads the coding information of article useful life and the ciphertext of article essential information on article, to article validity period
Whether the coding information of limit is decoded, and obtains the useful life of article, then judge current time in the useful life；
If it is, the ciphertext of the coding information of the article useful life of reading and article essential information is sent to management equipment；
The coding information of article useful life of the management equipment to receiving is encrypted to obtain using the irreversible encryption algorithm
Key, the ciphertext of the secret key decryption article essential information then obtained using this, obtains the coding information of article essential information,
And the coding information of article essential information is sent to code reader；
Code reader decodes to the coding information of article essential information, if code reader is from decoded article essential information
The essential information of article can be obtained, then the article was in the shelf-life.
7. the management system as described in claim 5 or 6, it is characterised in that：Data processor and management equipment are different parts,
Either the same part.
8. the management system as described in claim 5 or 6, it is characterised in that：Described code reader is inquiry terminal, or is moved
Dynamic terminal.
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| CN201510522649.4A CN105184207B (en) | 2015-08-24 | 2015-08-24 | A kind of management method and its system of article useful life |
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| CN201510522649.4A CN105184207B (en) | 2015-08-24 | 2015-08-24 | A kind of management method and its system of article useful life |
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| CN105184207A CN105184207A (en) | 2015-12-23 |
| CN105184207B true CN105184207B (en) | 2018-01-23 |
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| CN111415734A (en) * | 2020-03-20 | 2020-07-14 | 四川南格尔生物科技有限公司 | Service life management method of active medical instrument |
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| CN1543628A (en) * | 2001-08-24 | 2004-11-03 | 全家便利商店股份有限公司 | Pos system having time-of-consumption management function of sales commodities |
| CN101010244A (en) * | 2004-08-31 | 2007-08-01 | 东洋电子株式会社 | Cabinet |
| CN102567846A (en) * | 2011-12-16 | 2012-07-11 | 青岛海信移动通信技术股份有限公司 | Method and device for monitoring food information |
| CN103310380A (en) * | 2013-07-03 | 2013-09-18 | 刘益志 | Intelligent food management method and device based on technology of internet of things |
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| CN105184207A (en) | 2015-12-23 |
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