CN109117908A - Material frame two dimensional code trace-back technique - Google Patents
Material frame two dimensional code trace-back technique Download PDFInfo
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- CN109117908A CN109117908A CN201810731847.5A CN201810731847A CN109117908A CN 109117908 A CN109117908 A CN 109117908A CN 201810731847 A CN201810731847 A CN 201810731847A CN 109117908 A CN109117908 A CN 109117908A
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
- C08J5/18—Manufacture of films or sheets
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
- G06K19/02—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the selection of materials, e.g. to avoid wear during transport through the machine
- G06K19/022—Processes or apparatus therefor
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
- G06K19/06—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
- G06K19/06009—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code with optically detectable marking
- G06K19/06037—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code with optically detectable marking multi-dimensional coding
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2323/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
- C08J2323/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
- C08J2323/04—Homopolymers or copolymers of ethene
- C08J2323/08—Copolymers of ethene
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2401/00—Characterised by the use of cellulose, modified cellulose or cellulose derivatives
- C08J2401/08—Cellulose derivatives
- C08J2401/26—Cellulose ethers
- C08J2401/28—Alkyl ethers
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2405/00—Characterised by the use of polysaccharides or of their derivatives not provided for in groups C08J2401/00 or C08J2403/00
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
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Abstract
Material frame two dimensional code trace-back technique, by there is the batcher of intelligent visual detection system by Product transport to laser engraving machine position, the adjustment of local location and rate is carried out after workpiece automatic positioning, then laser engraving bar code is carried out to glass, and quality examination is carried out immediately after laser engraving process, after the bar code information for the workpiece that these laser carvings are completed is by SCADA system acquisition storage, then carry out subsequent production processing；Before each step production process, barcode scanning identification is carried out to product and storage bar code information is acquired by SCADA system, the whole process of product information is traced to realize, and these information plannings are managed and carried out subsequent data analysis.If finding that product is bad, then by the identification number of identification defective products, traces the process and equipment that the defective products passes through, so that equipment and technique are safeguarded and be optimized, realizes the optimization of production capacity yield at quality inspection after a certain procedure.
Description
Technical field
The present invention relates to information source tracing technical fields, and in particular to material frame two dimensional code trace-back technique.
Background technique
Existing 3C processing industry, information tracing most of and that single products or single batch product is not implemented, in product
Process in, once discovery defective products, can not accurately trace back to the board and process of production, thus need flower it is very big
Manpower and the time carry out problem exclusion and the improvement of processing procedure, cause whole production efficiency not high；Even and if thering is such product to chase after
The method traced back is tended to be cleaned out and be fallen off for the two dimensional code of identification, can not achieve stable reading identification, causing cannot
Accurately find desired information.
Summary of the invention
In order to solve the problems, such as that above-mentioned background technique proposes, the present invention is intended to provide a kind of product single batch information source tracing
Method and the adjusting and optimizing for realizing data analysis and production technology and equipment according to this.Design that a can be clear with ultrasonic wave in soda acid
It washes, dry without fading, not falling off, two dimensional code is clear always, reads the convenient scheme of information.
The technical problems to be solved by the invention are realized using following technical scheme:
Material frame two dimensional code trace-back technique, it is characterised in that: material frame is equipped with two dimensional code calibrated bolck, a left side for two dimensional code calibrated bolck
There is a card slot on the right side, and there is a block in front and back, and two dimensional code calibrated bolck is equipped with two dimensional code card, two dimensional code card card slot and block it
Between；
For glass after sawing sheet, interpolation frame machine acquires the information of this material frame He every product of this basket, and by SCADA system by these
Identity information acquisition storage, can the information of two dimensional code and by SCADA system on automatic identification glass by code reader when each section of processing
System synchronization stores these information collections, if finding that product is bad at quality inspection after a certain procedure, then bad by identifying
The identification number of product traces process and equipment that the defective products passes through, so that equipment and technique are safeguarded and optimized, it is real
The optimization of existing production capacity yield.
Further technology: the two dimensional code card includes the two dimensional code paster of front and back film and intermediate high seep through package.
Further technology: the film is prepared from the following components: 20-25 parts of Artemisia Glue；Carboxy-propyl cellulose 10-
15 parts；5-9 parts of glutaraldehyde；50 parts -70 parts of ethylene-vinyl acetate base co-polymer；The double stearoylketene amine 6-12 of N, N ethenylidene
Part；5-9 parts of -6-6 tert-butyl phenol of 4- ethyl；5-8 parts of ultraviolet absorber；3-9 parts of brightener.
Further technology: the film the preparation method comprises the following steps:
First Artemisia Glue and carboxy-propyl cellulose, glutaraldehyde, ethylene-vinyl acetate base co-polymer are put into baking oven and are dried
It is dry, masterbatch is then made after double screw extruder extrusion, water cooling, cutting；
N, the double stearoylketene amine of N ethenylidene, 4- ethyl -6-6 tert-butyl phenol, UV absorption are added into masterbatch obtained
Agent and brightener, then with squeezed out through double screw extruder, water cooling, after cutting, through inflation film manufacturing machine blown film up to aimed thin film product.
The addition of the double stearoylketene amine of N, N ethenylidene can eliminate film endoparticle, avoid local ageing, promote finished films
Light transmittance be improved, with high transparency characteristic.4- ethyl -6-6 tert-butyl phenol be on the one hand since its is cheap,
Good in oxidation resistance simultaneously, further can prevent finished films to turn to be yellow；Ultraviolet absorber has anti-ultraviolet effect, to prevent
Its aging provides guarantee.The addition of brightener then can further reinforce the brightness on eva film surface, while also ensure it
High light transmittance.
The high seep through is prepared from the following components: 20-25 parts of Artemisia Glue；10-15 parts of carboxy-propyl cellulose；Penta 2
5-9 parts of aldehyde；50 parts -70 parts of ethylene-vinyl acetate base co-polymer；Double 6-12 parts of the stearoylketene amine of N, N ethenylidene；4- ethyl-
5-9 parts of 6-6 tert-butyl phenol；5-8 parts of ultraviolet absorber；3-9 parts of brightener；5-8 parts of defoaming agent.
Further technology: the film the preparation method comprises the following steps:
First Artemisia Glue and carboxy-propyl cellulose, glutaraldehyde, ethylene-vinyl acetate base co-polymer are put into baking oven and are dried
It is dry, masterbatch is then made after double screw extruder extrusion, water cooling, cutting；
N, the double stearoylketene amine of N ethenylidene, 4- ethyl -6-6 tert-butyl phenol, UV absorption are added into masterbatch obtained
Agent, brightener and defoaming agent, set in thermostat water bath and heat, and shake up, and are centrifuged the Extracting temperature 70 until supernatant is not sticky
~90 DEG C, extraction time is 60~120min, and supernatant is glue extracting solution, is glue after cooling.
Further technology: described part is parts by weight.
Further technology: the film height is 0.5-0.7mm.
The invention has the benefit that
Compared with production procedure now, the present invention mainly protrudes the identity information typing to production product, according to this body
Part information can carry out optimizing and revising for whole information retrospect and data analysis and production technology and equipment to product
When by cleaning machine, all laser carving codes, printed code, laser code etc. are faded in cleaning, are taken off product
It falls.It can not achieve stable reading identification, lead to that desired information can not accurately be found.
In this programme soda acid and ultrasonic cleaning, drying without in the cleaning machine that fades, do not fall off, two dimensional code does not fall
It is convenient to read information always clearly for color.It solves above all deficiencies, completes desired effect.
Two dimensional code that can be small using abdomen film amplifies, and is convenient for barcode scanning, meanwhile, the peritonaeum later period can be convenient for removal, film benefit
It is filled and led up with glue, stablizes refraction angle.
Detailed description of the invention
Fig. 1 is two dimensional code calibrated bolck structural schematic diagram of the invention；
Fig. 2 is two dimensional code card structure schematic diagram of the present invention.
Specific embodiment
Below in conjunction with the embodiment of the present invention, technical solution of the present invention is clearly and completely described, it is clear that retouched
The embodiment stated is only a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, originally
Field those of ordinary skill every other embodiment obtained without making creative work, belongs to the present invention
The range of protection.
Such as Fig. 1-2
Embodiment 1: material frame two dimensional code trace-back technique, material frame are equipped with two dimensional code calibrated bolck 1, the left and right of two dimensional code calibrated bolck
Have a card slot 2, there is a block 3 in front and back, and two dimensional code calibrated bolck is equipped with two dimensional code card 4, two dimensional code card card slot and block it
Between；
For glass after sawing sheet, interpolation frame machine acquires the information of this material frame He every product of this basket, and by SCADA system by these
Identity information acquisition storage, can the information of two dimensional code and by SCADA system on automatic identification glass by code reader when each section of processing
System synchronization stores these information collections, if finding that product is bad at quality inspection after a certain procedure, then bad by identifying
The identification number of product traces process and equipment that the defective products passes through, so that equipment and technique are safeguarded and optimized, it is real
The optimization of existing production capacity yield.
Two dimensional code card 4 includes the two dimensional code paster 43 that front and back film 41 and intermediate high seep through 42 wrap up.
Film is prepared from the following components: 20 parts of Artemisia Glue；10 parts of carboxy-propyl cellulose；5 parts of glutaraldehyde；Ethylene-vinegar
50 parts of vinyl acetate base co-polymer；Double 6 parts of amine of the stearoylketenes of N, N ethenylidene；5 parts of tert-butyl phenol of 4- ethyl -6-6；Ultraviolet suction
Receive 5 parts of agent；3 parts of brightener.
Film the preparation method comprises the following steps:
First Artemisia Glue and carboxy-propyl cellulose, glutaraldehyde, ethylene-vinyl acetate base co-polymer are put into baking oven and are dried
It is dry, masterbatch is then made after double screw extruder extrusion, water cooling, cutting；
N, the double stearoylketene amine of N ethenylidene, 4- ethyl -6-6 tert-butyl phenol, UV absorption are added into masterbatch obtained
Agent and brightener, then with squeezed out through double screw extruder, water cooling, after cutting, through inflation film manufacturing machine blown film up to aimed thin film product.
The addition of the double stearoylketene amine of O, N ethenylidene can eliminate film endoparticle, avoid local ageing, promote finished films
Light transmittance be improved, with high transparency characteristic.4- ethyl -6-6 tert-butyl phenol be on the one hand since its is cheap,
Good in oxidation resistance simultaneously, further can prevent finished films to turn to be yellow；Ultraviolet absorber has anti-ultraviolet effect, to prevent
Its aging provides guarantee.The addition of brightener then can further reinforce the brightness on eva film surface, while also ensure it
High light transmittance.
High seep through is prepared from the following components: 20 parts of Artemisia Glue；10 parts of carboxy-propyl cellulose；5 parts of glutaraldehyde；Ethylene-
50 parts of parts of vinylacetate base co-polymer；Double 6 parts of amine of the stearoylketenes of N, N ethenylidene；5 parts of tert-butyl phenol of 4- ethyl -6-6；It is purple
5 parts of outer absorbent；3 parts of brightener；5 parts of defoaming agent.
Film the preparation method comprises the following steps:
First Artemisia Glue and carboxy-propyl cellulose, glutaraldehyde, ethylene-vinyl acetate base co-polymer are put into baking oven and are dried
It is dry, masterbatch is then made after double screw extruder extrusion, water cooling, cutting；
N, the double stearoylketene amine of N ethenylidene, 4- ethyl -6-6 tert-butyl phenol, UV absorption are added into masterbatch obtained
Agent, brightener and defoaming agent, set in thermostat water bath and heat, and shake up, and are centrifuged the Extracting temperature 70 until supernatant is not sticky
~90 DEG C, extraction time is 60~120min, and supernatant is glue extracting solution, is glue after cooling.
Such as Fig. 1-2
Embodiment 2: material frame two dimensional code trace-back technique, material frame are equipped with two dimensional code calibrated bolck 1, the left and right of two dimensional code calibrated bolck
Have a card slot 2, there is a block 3 in front and back, and two dimensional code calibrated bolck is equipped with two dimensional code card 4, two dimensional code card card slot and block it
Between；
For glass after sawing sheet, interpolation frame machine acquires the information of this material frame He every product of this basket, and by SCADA system by these
Identity information acquisition storage, can the information of two dimensional code and by SCADA system on automatic identification glass by code reader when each section of processing
System synchronization stores these information collections, if finding that product is bad at quality inspection after a certain procedure, then bad by identifying
The identification number of product traces process and equipment that the defective products passes through, so that equipment and technique are safeguarded and optimized, it is real
The optimization of existing production capacity yield.
Two dimensional code card 4 includes the two dimensional code paster 43 that front and back film 41 and intermediate high seep through 42 wrap up.
Film is prepared from the following components: 25 parts of Artemisia Glue；15 parts of carboxy-propyl cellulose；9 parts of glutaraldehyde；Ethylene-vinegar
70 parts of vinyl acetate base co-polymer；Double 12 parts of amine of the stearoylketenes of N, N ethenylidene；9 parts of tert-butyl phenol of 4- ethyl -6-6；Ultraviolet suction
Receive 8 parts of agent；9 parts of brightener.
Film the preparation method comprises the following steps:
First Artemisia Glue and carboxy-propyl cellulose, glutaraldehyde, ethylene-vinyl acetate base co-polymer are put into baking oven and are dried
It is dry, masterbatch is then made after double screw extruder extrusion, water cooling, cutting；
N, the double stearoylketene amine of N ethenylidene, 4- ethyl -6-6 tert-butyl phenol, UV absorption are added into masterbatch obtained
Agent and brightener, then with squeezed out through double screw extruder, water cooling, after cutting, through inflation film manufacturing machine blown film up to aimed thin film product.
The addition of the double stearoylketene amine of P, N ethenylidene can eliminate film endoparticle, avoid local ageing, promote finished films
Light transmittance be improved, with high transparency characteristic.4- ethyl -6-6 tert-butyl phenol be on the one hand since its is cheap,
Good in oxidation resistance simultaneously, further can prevent finished films to turn to be yellow；Ultraviolet absorber has anti-ultraviolet effect, to prevent
Its aging provides guarantee.The addition of brightener then can further reinforce the brightness on eva film surface, while also ensure it
High light transmittance.
High seep through is prepared from the following components: 25 parts of Artemisia Glue；15 parts of carboxy-propyl cellulose；9 parts of glutaraldehyde；Ethylene-
70 parts of vinylacetate base co-polymer；Double 12 parts of amine of the stearoylketenes of N, N ethenylidene；9 parts of tert-butyl phenol of 4- ethyl -6-6；It is ultraviolet
8 parts of absorbent；9 parts of brightener；8 parts of defoaming agent.
Film the preparation method comprises the following steps:
First Artemisia Glue and carboxy-propyl cellulose, glutaraldehyde, ethylene-vinyl acetate base co-polymer are put into baking oven and are dried
It is dry, masterbatch is then made after double screw extruder extrusion, water cooling, cutting；
N, the double stearoylketene amine of N ethenylidene, 4- ethyl -6-6 tert-butyl phenol, UV absorption are added into masterbatch obtained
Agent, brightener and defoaming agent, set in thermostat water bath and heat, and shake up, and are centrifuged the Extracting temperature 70 until supernatant is not sticky
~90 DEG C, extraction time is 60~120min, and supernatant is glue extracting solution, is glue after cooling.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (7)
1. material frame is equipped with two dimensional code calibrated bolck, there is card slot in the left and right of two dimensional code calibrated bolck, and there are block, two dimensional code calibrated bolck in front and back
It is equipped with two dimensional code card, two dimensional code card is between card slot and block；
For glass after sawing sheet, interpolation frame machine acquires the information of this material frame He every product of this basket, and by SCADA system by these identity
Information collection storage, by code reader when each section of processing can on automatic identification glass the information of two dimensional code and by SCADA system it is same
Step stores these information collections, if finding that product is bad, then passes through identification defective products at quality inspection after a certain procedure
Identification number traces process and equipment that the defective products passes through, so that equipment and technique are safeguarded and be optimized, realizes and produces
The optimization of energy yield.
2. material frame two dimensional code trace-back technique according to claim 1, it is characterised in that: the two dimensional code card includes
The two dimensional code paster of front and back film and intermediate high seep through package.
3. material frame two dimensional code trace-back technique according to claim 2, it is characterised in that: the film is by following components
It is prepared: 20-25 parts of Artemisia Glue；10-15 parts of carboxy-propyl cellulose；5-9 parts of glutaraldehyde；The copolymerization of ethylene-vinyl acetate base
50 parts -70 parts of object；Double 6-12 parts of the stearoylketene amine of N, N ethenylidene；5-9 parts of -6-6 tert-butyl phenol of 4- ethyl；Ultraviolet absorber
5-8 parts；3-9 parts of brightener.
4. material frame two dimensional code trace-back technique according to claim 2, it is characterised in that: the preparation method of the film
Are as follows:
First Artemisia Glue and carboxy-propyl cellulose, glutaraldehyde, ethylene-vinyl acetate base co-polymer are put into baking oven and are dried, so
By masterbatch obtained after double screw extruder extrusion, water cooling, cutting；
Be added N into masterbatch obtained, the double stearoylketene amine of N ethenylidene, 4- ethyl -6-6 tert-butyl phenol, ultraviolet absorber and
Brightener, then with squeezed out through double screw extruder, water cooling, after cutting, through inflation film manufacturing machine blown film up to aimed thin film product.
5. material frame two dimensional code trace-back technique according to claim 2, it is characterised in that: the high seep through is by with the following group
Divide and be prepared: 20-25 parts of Artemisia Glue；10-15 parts of carboxy-propyl cellulose；5-9 parts of glutaraldehyde；Ethylene-vinyl acetate base is total
50 parts -70 parts of polymers；Double 6-12 parts of the stearoylketene amine of N, N ethenylidene；5-9 parts of -6-6 tert-butyl phenol of 4- ethyl；UV absorption
5-8 parts of agent；3-9 parts of brightener；5-8 parts of defoaming agent.
6. material frame two dimensional code trace-back technique according to claim 2, it is characterised in that: the preparation method of the film
Are as follows:
First Artemisia Glue and carboxy-propyl cellulose, glutaraldehyde, ethylene-vinyl acetate base co-polymer are put into baking oven and are dried, so
By masterbatch obtained after double screw extruder extrusion, water cooling, cutting；
Be added N into masterbatch obtained, the double stearoylketene amine of N ethenylidene, 4- ethyl -6-6 tert-butyl phenol, ultraviolet absorber,
Brightener and defoaming agent, set in thermostat water bath and heat, and shake up, be centrifuged until supernatant is not sticky, Extracting temperature be 70~
90 DEG C, extraction time is 60~120min, and supernatant is glue extracting solution, is glue after cooling.
7. the material frame two dimensional code trace-back technique according to claim 3 or 5, it is characterised in that: described part is parts by weight.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810731847.5A CN109117908A (en) | 2018-07-05 | 2018-07-05 | Material frame two dimensional code trace-back technique |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810731847.5A CN109117908A (en) | 2018-07-05 | 2018-07-05 | Material frame two dimensional code trace-back technique |
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| CN109117908A true CN109117908A (en) | 2019-01-01 |
Family
ID=64822863
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| CN201810731847.5A Pending CN109117908A (en) | 2018-07-05 | 2018-07-05 | Material frame two dimensional code trace-back technique |
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Citations (6)
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|---|---|---|---|---|
| CN103389721A (en) * | 2013-08-07 | 2013-11-13 | 长春工业大学 | Quality traceability system for bag-folding process of automobile safety air bag production line |
| CN103660690A (en) * | 2013-12-05 | 2014-03-26 | 杨人代 | Long-tail clamp |
| CN103955197A (en) * | 2014-05-08 | 2014-07-30 | 青岛华涛汽车模具有限公司 | Linkage production line control method applied to intake manifold accessory installation |
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| US20170323128A1 (en) * | 2016-05-09 | 2017-11-09 | Symbol Technologies, Llc | Arrangement for, and method of, processing products associated with rfid tags and bar code symbols at the same workstation |
| CN107602995A (en) * | 2017-09-15 | 2018-01-19 | 瑞安市东升包装制品有限公司 | High printing opacity eva film |
-
2018
- 2018-07-05 CN CN201810731847.5A patent/CN109117908A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103389721A (en) * | 2013-08-07 | 2013-11-13 | 长春工业大学 | Quality traceability system for bag-folding process of automobile safety air bag production line |
| CN103660690A (en) * | 2013-12-05 | 2014-03-26 | 杨人代 | Long-tail clamp |
| CN103955197A (en) * | 2014-05-08 | 2014-07-30 | 青岛华涛汽车模具有限公司 | Linkage production line control method applied to intake manifold accessory installation |
| CN105768613A (en) * | 2014-12-22 | 2016-07-20 | 无锡兰桂联芳医疗科技有限公司 | Structure of drug storage cabinet |
| US20170323128A1 (en) * | 2016-05-09 | 2017-11-09 | Symbol Technologies, Llc | Arrangement for, and method of, processing products associated with rfid tags and bar code symbols at the same workstation |
| CN107602995A (en) * | 2017-09-15 | 2018-01-19 | 瑞安市东升包装制品有限公司 | High printing opacity eva film |
Non-Patent Citations (1)
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| 唐继财等: "二维码在燃气管网设备管理的应用", 《煤气与热力》 * |
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