CN107027872A - A kind of longan fresh-keeping system - Google Patents
A kind of longan fresh-keeping system Download PDFInfo
- Publication number
- CN107027872A CN107027872A CN201710281063.2A CN201710281063A CN107027872A CN 107027872 A CN107027872 A CN 107027872A CN 201710281063 A CN201710281063 A CN 201710281063A CN 107027872 A CN107027872 A CN 107027872A
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- Prior art keywords
- longan
- fresh
- quick
- keeping system
- unit
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 235000000235 Euphoria longan Nutrition 0.000 title claims abstract description 109
- 244000139609 Euphoria longan Species 0.000 title 1
- 240000001008 Dimocarpus longan Species 0.000 claims abstract description 108
- 230000001954 sterilising effect Effects 0.000 claims abstract description 30
- 238000004140 cleaning Methods 0.000 claims abstract description 24
- 238000007710 freezing Methods 0.000 claims abstract description 22
- 241000196324 Embryophyta Species 0.000 claims abstract description 20
- 238000005538 encapsulation Methods 0.000 claims abstract description 17
- 238000003306 harvesting Methods 0.000 claims abstract description 13
- 230000010354 integration Effects 0.000 claims abstract description 6
- 238000003860 storage Methods 0.000 claims description 28
- 235000013399 edible fruits Nutrition 0.000 claims description 17
- 238000004659 sterilization and disinfection Methods 0.000 claims description 9
- 238000009461 vacuum packaging Methods 0.000 claims description 8
- 238000000034 method Methods 0.000 claims description 7
- 238000006385 ozonation reaction Methods 0.000 claims description 5
- 239000012141 concentrate Substances 0.000 claims description 4
- 238000005057 refrigeration Methods 0.000 claims description 3
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 4
- 230000032683 aging Effects 0.000 abstract description 3
- 230000032823 cell division Effects 0.000 abstract description 3
- 230000001934 delay Effects 0.000 abstract description 3
- 230000008014 freezing Effects 0.000 abstract description 3
- 238000004321 preservation Methods 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 235000012055 fruits and vegetables Nutrition 0.000 abstract description 2
- 239000004615 ingredient Substances 0.000 abstract description 2
- 230000004060 metabolic process Effects 0.000 abstract description 2
- 235000016709 nutrition Nutrition 0.000 abstract description 2
- 230000009467 reduction Effects 0.000 abstract description 2
- 238000001816 cooling Methods 0.000 description 5
- 241000894006 Bacteria Species 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000002604 ultrasonography Methods 0.000 description 2
- 241000167854 Bourreria succulenta Species 0.000 description 1
- 102000004190 Enzymes Human genes 0.000 description 1
- 108090000790 Enzymes Proteins 0.000 description 1
- 235000016623 Fragaria vesca Nutrition 0.000 description 1
- 240000009088 Fragaria x ananassa Species 0.000 description 1
- 235000011363 Fragaria x ananassa Nutrition 0.000 description 1
- 241000238631 Hexapoda Species 0.000 description 1
- 244000183278 Nephelium litchi Species 0.000 description 1
- 235000015742 Nephelium litchi Nutrition 0.000 description 1
- 235000019082 Osmanthus Nutrition 0.000 description 1
- 241000333181 Osmanthus Species 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 239000005864 Sulphur Substances 0.000 description 1
- 230000000844 anti-bacterial effect Effects 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 239000003899 bactericide agent Substances 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000019522 cellular metabolic process Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 235000019693 cherries Nutrition 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000002845 discoloration Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 235000021022 fresh fruits Nutrition 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000007943 implant Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 235000013372 meat Nutrition 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
- 125000004646 sulfenyl group Chemical group S(*)* 0.000 description 1
- 238000010257 thawing Methods 0.000 description 1
- 238000002525 ultrasonication Methods 0.000 description 1
- 235000013311 vegetables Nutrition 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23B—PRESERVING, e.g. BY CANNING, MEAT, FISH, EGGS, FRUIT, VEGETABLES, EDIBLE SEEDS; CHEMICAL RIPENING OF FRUIT OR VEGETABLES; THE PRESERVED, RIPENED, OR CANNED PRODUCTS
- A23B7/00—Preservation or chemical ripening of fruit or vegetables
- A23B7/04—Freezing; Subsequent thawing; Cooling
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23V—INDEXING SCHEME RELATING TO FOODS, FOODSTUFFS OR NON-ALCOHOLIC BEVERAGES AND LACTIC OR PROPIONIC ACID BACTERIA USED IN FOODSTUFFS OR FOOD PREPARATION
- A23V2002/00—Food compositions, function of food ingredients or processes for food or foodstuffs
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Wood Science & Technology (AREA)
- Zoology (AREA)
- Food Science & Technology (AREA)
- Polymers & Plastics (AREA)
- Storage Of Fruits Or Vegetables (AREA)
Abstract
The present invention relates to postharvest technology of fruits and vegetables, and in particular to a kind of longan fresh-keeping system.The fresh-keeping system includes a harvesting cleaning unit, the quick-frozen unit of one precooling, the quick-frozen unit of precooling includes pre-cooler, quick-freezing plant and sterilizing unit, the pre-cooler, quick-freezing plant and sterilizing unit, which are integrated in integration apparatus, to work, one encapsulation unit, the encapsulation unit carries out Vacuum Package to longan, pass through the longan fresh-keeping system, it can prevent the pulp moisture in longan from influenceing mouthfeel because of the freezing of short time, the metabolism of reduction control longan pulp cell, delays longan cell division aging.Fresh keeping time is long, of good preservation effect, never degenerates spoiled, is more beneficial for preserving the nutritional ingredient of longan.
Description
Technical field
The present invention relates to postharvest technology of fruits and vegetables, and in particular to a kind of longan fresh-keeping system.
Background technology
In daily life, longan, scientific name is called longan, is one of popular fruit, the fresh-keeping side of existing longan
Method is mainly with medical bactericide soaking and washing and adds antistaling agent method pack, refrigerate, but go out after freezer restocking it is most also
It can deposit about one day；Another system kills bacterium and insect using the gas for sulphur generation of burning and cuts off the part in fresh fruit
The sulfenyl of organized enzyme, but process easily causes pollution, makes pericarp discoloration, pulp spoiled again, and shelf life is also difficult to after stove drying
Surpass two days later.There is larger destruction to longan, longan quality, be not ideal system.
The content of the invention
In order to effectively solve the above problems, the present invention provides a kind of longan fresh-keeping system
The concrete technical scheme of the present invention is as follows：A kind of longan fresh-keeping system, it is a large amount of that the fresh-keeping system is used for industrialization
The freeze preservation of fresh longan is stored, the fresh-keeping system includes：
One harvesting cleaning unit, the harvesting cleaning unit is used to gather fresh longan, and concentrates carry out cleaning treatment；
The quick-frozen unit of one precooling, the quick-frozen unit of precooling includes pre-cooler, quick-freezing plant and sterilizing unit, described
Pre-cooler, quick-freezing plant and sterilizing unit, which are integrated in integration apparatus, to be worked, and the pre-cooler is first carried out to longan
Precooling treatment, then longan is subjected to fast frozen, in precooling, quick-frozen processing procedure, the sterilizing unit is carried out to longan
Sterilization processing；
One encapsulation unit, the encapsulation unit carries out Vacuum Package to longan, carries out low temperature storage.
Further, the harvesting cleaning unit includes a picker and a cleaning device, and the picker is used for
Longan is plucked, and is concentrated in the cleaning device；The cleaning device is used to clean longan, and removes unnecessary branches and leaves.
Further, the fresh-keeping system includes a conveyer belt, and the conveyer belt is used to transmit longan, and in the transmission
The periphery of band sets the pre-cooler, quick-freezing plant and sterilizing unit.
Further, the pre-cooler is a refrigeration machine, and the precooling temperature of the pre-cooler is 1 DEG C to 2 DEG C.
Further, the quick-freezing plant is an instant freezer, and the quick-freezing plant is cooled to -30 DEG C by longan temperature is quick-frozen
To -40 DEG C, quick-frozen temperature fall time is 3-5min.
Further, the sterilizing unit is an ozonization equipment, precooling and quick-frozen mistake of the sterilizing unit in longan
Cheng Zhong, ozone sterilization is carried out to longan.
Further, the encapsulation unit includes a vacuum packing machine, and the vacuum packing machine is used for the vacuum packet of longan
Dress.
Further, the fresh-keeping system also includes a storage freezer, and the envelope is passed through in the used storage of storage freezer
Fill the longan of unit encapsulation；
The temperature of the storage freezer is 0 DEG C to 1 DEG C.
Further, the temperature of the storage freezer is -5 DEG C to -8 DEG C, and the fresh-keeping system also includes a unfreezing machine, institute
State unfreezing machine be used for thaw be placed on it is described store freezer longan.
Further, the fresh-keeping system also selects fruit picking machine automatically including one, described to select fruit picking machine to include one automatically
Camera device, an automatic picking apparatus, the camera device are connected with the automatic picking apparatus.
Usefulness of the present invention：By the longan fresh-keeping system, when fresh-keeping storage is carried out to longan, it is ensured that
Aseptic storage, carry out quick freezing and cold preserving before, carry out pre-operation, can prevent the pulp moisture in longan because of the freezing of short time shadow
Mouthfeel is rung, the metabolism of reduction control longan pulp cell delays longan cell division aging.Fresh keeping time is long, fresh-keeping effect
It is really good, never degenerate spoiled, nutritional ingredient is not lost, the longan taken out in fresh-keeping warehouse is put into general refrigerator and refrigerated, can be with
Put 5-10 days.
Brief description of the drawings
Fig. 1 is fresh-keeping system schematic flow sheet described in first embodiment of the invention；
Fig. 2 is fresh-keeping system schematic flow sheet described in second embodiment of the invention；
Fig. 3 is fresh-keeping system schematic flow sheet described in third embodiment of the invention.
Embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, it is right below in conjunction with drawings and Examples
The present invention is explained in further detail.It should be appreciated that specific embodiment described herein is used only for explaining the present invention, and
It is not used in the restriction present invention.
On the contrary, the present invention covers any replacement done in the spirit and scope of the present invention being defined by the claims, repaiied
Change, equivalent system and scheme.Further, in order that the public has a better understanding to the present invention, below to the thin of the present invention
It is detailed to describe some specific detail sections in section description.Part without these details for a person skilled in the art
Description can also understand the present invention completely.
As shown in figure 1, being the fresh-keeping system schematic flow sheet of invention first embodiment, this embodiment offers a kind of longan
Fresh-keeping system, the fresh-keeping system includes：One harvesting cleaning unit, the quick-frozen unit of a precooling, the quick-frozen unit of precooling includes
Pre-cooler, quick-freezing plant and sterilizing unit, the pre-cooler, quick-freezing plant and sterilizing unit are integrated in integration apparatus
Middle work a, encapsulation unit, the encapsulation unit carries out Vacuum Package to longan, carries out low temperature storage.
Fresh longan is gathered in the harvesting cleaning unit, and is concentrated after progress cleaning treatment, the pre-cooler is first used
Precooling treatment first is carried out to longan, then longan is subjected to fast frozen, in precooling, quick-frozen processing procedure, the sterilization dress
Put and sterilization processing is carried out to longan, finally by the encapsulation unit, longan is carried out after Vacuum Package, stored fresh-keeping.
The harvesting cleaning unit includes a picker and a cleaning device, and the picker is used to pluck longan,
And concentrate in the cleaning device；Specifically, the picker can be automatic picking machine, will using the automatic picking machine
Longan is taken or manually plucked to longan from longan tree, and the longan plucked is focused on, and the longan removal to harvesting is unnecessary
Branches and leaves, clean the cleaning of the impurity such as longan dust, and treated longan is concentrated into the cleaning device, carry out clear
Wash.
The fresh-keeping system includes a conveyer belt, set on the periphery of the conveyer belt pre-cooler, quick-freezing plant,
And sterilizing unit.The conveyer belt transmits longan, and longan is sequentially delivered into pre-cooler, quick-freezing plant, passes through in longan
During precooling operation, quick-frozen operation, the sterilizing unit carries out sterilization processing to longan.
The pre-cooler is a refrigeration machine, and the precooling temperature of the pre-cooler is 1 DEG C to 2 DEG C, specifically, the system
Cold includes but is not limited to compression refrigerating machine, and the quick-freezing plant is an instant freezer, and the quick-freezing plant is by the cooling of longan
Environment is, at -30 DEG C to -40 DEG C, and under the cooling environment, the central temperature of longan entirety to be down into -18 DEG C, quick-frozen cooling
Time is 3-5min；Specifically, the instant freezer includes but is not limited to propulsion fast refrigerator, quick-frozen temperature fall time is 3-5min,
The sterilizing unit be an ozonization equipment, the sterilizing unit longan precooling and it is quick-frozen during, to longan carry out it is smelly
Oxygen is sterilized, and is set specifically, the ozonization equipment includes but is not limited to ozonization equipment, sterilizing machine or sterilizing integration
It is standby, complete sterilization operation；
The encapsulation unit includes a vacuum packing machine, and the vacuum packing machine is used for the vacuum packaging of longan, using true
Empty package, further, the extraneous bacterium of isolation extend the freshness date of longan.
The fresh-keeping system also includes a storage freezer, and the used storage of storage freezer is by encapsulation unit encapsulation
Longan；The temperature of the storage freezer is 0 DEG C to 1 DEG C.It is cold in storage freezer by by the longan of the quick-frozen unit of precooling, being put into
Hide, fresh keeping time is long, fresh-keeping effect is better than traditional cold storage mode.
In another embodiment, the temperature of the storage freezer is -5 DEG C to -8 DEG C, and the fresh-keeping system also includes one and thawed
Machine, the unfreezing machine, which is used to thaw, is placed on the longan of the storage freezer.When in use, eaten after unfreezing machine defrosting
With, because the temperature for storing freezer is relatively low, the premise line of longan eating mouth feel is not being influenceed, it is more favourable to reduce control longan pulp
The metabolism of cell, delays longan cell division aging.
As shown in Fig. 2 be the longan fresh-keeping system schematic flow sheet of second embodiment of the invention, the second embodiment with
First embodiment is largely identical, is that difference is, in the second embodiment, and the longan fresh-keeping system also includes one
Ultrasound unit, the ultrasound unit is a microwave machine, the microwave machine and the pre-cooler, quick-freezing plant and sterilization
Device is integrated in integration apparatus；
In quick-frozen operating process is carried out to longan, open the microwave machine and use ultrasonication simultaneously, due to longan
Embezzle containing large quantity of moisture, during longan is quick-frozen, moisture freezes, the water volume expansion in pulp becomes big, can cause osmanthus
The fracture of the implants wall of circle fruit meat, so as to influence eating mouth feel, using the microwave treatment of ultrasonic wave, is produced with the microwave machine
Microwave penetration longan, thus protect longan during quick-frozen plant walls it is complete, it is ensured that cooling storage longan have it is fresh
Mouthfeel, prolong storage period.
As shown in figure 3, be the longan fresh-keeping system schematic flow sheet of third embodiment of the invention, the 3rd embodiment with
The first embodiment is largely identical, is that only difference is, the fresh-keeping system also selects fruit picking machine automatically including one,
Described to select fruit picking machine to include a camera device, an automatic picking apparatus automatically, the camera device is filled with the automatic harvesting
Put connection.
Specifically, choosing fruit can be carried out by selecting fruit picking machine automatically, it is described to select fruit picking machine to include a shooting dress automatically
Put, an automatic picking apparatus, by camera device obtain longan image, by automatic picking apparatus carry out judge longan quality,
And plucked.Or by manually selecting fruit, in fine day 6-11 in morning points, staff's selection fruit is plentiful, mellow and full, band branch band leaf
Longan plucked.By selecting fruit to operate, the fresh longan of high-quality is chosen, fresh-keeping operation is carried out, is more beneficial for storing longan,
Ensureing the longan of cooling storage has fresh mouthfeel.
In other embodiments, technology of the invention can be with the high-grade fruit such as Preservation of Litchi chinensis Fruits, strawberry, cherry, to other fruits
Vegetable is fresh-keeping also to play conclusive effect, do not limit the fresh-keeping object of the fresh-keeping system herein.
For the ordinary skill in the art, according to encapsulation the teachings of the present invention, the original of the present invention is not being departed from
In the case of reason and spirit, changes, modifications, replacement and the modification carried out to embodiment still falls within protection scope of the present invention
Within.
Claims (10)
1. a kind of longan fresh-keeping system, it is characterised in that the fresh-keeping system is used for the cold of the fresh longan of industrialization mass storage
Freeze fresh-keeping, the fresh-keeping system includes：
One harvesting cleaning unit, the harvesting cleaning unit is used to gather fresh longan, and concentrates carry out cleaning treatment；
The quick-frozen unit of one precooling, the quick-frozen unit of precooling includes pre-cooler, quick-freezing plant and sterilizing unit, the precooling
Device, quick-freezing plant and sterilizing unit, which are integrated in integration apparatus, to work, and the pre-cooler first carries out precooling to longan
Processing, then longan is subjected to fast frozen, in precooling, quick-frozen processing procedure, the sterilizing unit is sterilized to longan
Processing；
One encapsulation unit, the encapsulation unit carries out Vacuum Package to longan, carries out low temperature storage.
2. a kind of longan fresh-keeping system as claimed in claim 1, it is characterised in that the harvesting cleaning unit includes a harvesting dress
Put and a cleaning device, the picker is used to pluck longan, and concentrates in the cleaning device；The cleaning device
For cleaning longan, and remove unnecessary branches and leaves.
3. a kind of longan fresh-keeping system as claimed in claim 1, it is characterised in that the fresh-keeping system includes a conveyer belt, institute
Stating conveyer belt is used to transmit longan, and sets the pre-cooler, quick-freezing plant and sterilization to fill on the periphery of the conveyer belt
Put.
4. a kind of longan fresh-keeping system as claimed in claim 3, it is characterised in that the pre-cooler is a refrigeration machine, described
The precooling temperature of pre-cooler is 1 DEG C to 2 DEG C.
5. a kind of longan fresh-keeping system as claimed in claim 3, it is characterised in that the quick-freezing plant is an instant freezer, described
Quick-freezing plant is cooled to -30 DEG C to -40 DEG C by longan temperature is quick-frozen, and quick-frozen temperature fall time is 3-5min.
6. a kind of longan fresh-keeping system as claimed in claim 3, it is characterised in that the sterilizing unit is an ozonization equipment,
The sterilizing unit longan precooling and it is quick-frozen during, to longan carry out ozone sterilization.
7. a kind of longan fresh-keeping system as claimed in claim 1, it is characterised in that the encapsulation unit includes a vacuum packaging
Machine, the vacuum packing machine is used for the vacuum packaging of longan.
8. a kind of longan fresh-keeping system as claimed in claim 1, it is characterised in that it is cold that the fresh-keeping system also includes a storage
Storehouse, the longan that the used storage of storage freezer is encapsulated by the encapsulation unit；
The temperature of the storage freezer is 0 DEG C to 1 DEG C.
9. a kind of longan fresh-keeping system as claimed in claim 8, it is characterised in that the temperature of the storage freezer is -5 DEG C to -8
DEG C, the fresh-keeping system also includes a unfreezing machine, and the unfreezing machine, which is used to thaw, is placed on the longan of the storage freezer.
10. a kind of longan fresh-keeping system as claimed in claim 1, it is characterised in that it is automatic that the fresh-keeping system also includes one
Select fruit picking machine, it is described it is automatic select fruit picking machine to include a camera device, an automatic picking apparatus, the camera device with it is described
Automatic picking apparatus is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710281063.2A CN107027872A (en) | 2017-04-26 | 2017-04-26 | A kind of longan fresh-keeping system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710281063.2A CN107027872A (en) | 2017-04-26 | 2017-04-26 | A kind of longan fresh-keeping system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107027872A true CN107027872A (en) | 2017-08-11 |
Family
ID=59535873
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710281063.2A Withdrawn CN107027872A (en) | 2017-04-26 | 2017-04-26 | A kind of longan fresh-keeping system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107027872A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107373703A (en) * | 2017-07-20 | 2017-11-24 | 曾中苏 | A kind of extending longan shelf life system |
| CN110050826A (en) * | 2018-12-26 | 2019-07-26 | 曾中苏 | A kind of biology suspend mode fresh-keeping system and method |
-
2017
- 2017-04-26 CN CN201710281063.2A patent/CN107027872A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107373703A (en) * | 2017-07-20 | 2017-11-24 | 曾中苏 | A kind of extending longan shelf life system |
| CN110050826A (en) * | 2018-12-26 | 2019-07-26 | 曾中苏 | A kind of biology suspend mode fresh-keeping system and method |
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| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20170811 |
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| WW01 | Invention patent application withdrawn after publication |