CN114842734A - Double-layer two-dimensional code anti-counterfeit label - Google Patents
Double-layer two-dimensional code anti-counterfeit label Download PDFInfo
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- CN114842734A CN114842734A CN202210232729.6A CN202210232729A CN114842734A CN 114842734 A CN114842734 A CN 114842734A CN 202210232729 A CN202210232729 A CN 202210232729A CN 114842734 A CN114842734 A CN 114842734A
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- dimensional code
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- 239000002985 plastic film Substances 0.000 claims abstract description 24
- 229920006255 plastic film Polymers 0.000 claims abstract description 24
- 239000007788 liquid Substances 0.000 claims abstract description 20
- 239000000758 substrate Substances 0.000 claims abstract description 12
- 239000012463 white pigment Substances 0.000 claims description 21
- 239000004816 latex Substances 0.000 claims description 4
- 229920000126 latex Polymers 0.000 claims description 4
- 229920003023 plastic Polymers 0.000 claims description 4
- 239000000853 adhesive Substances 0.000 claims 2
- 230000001070 adhesive effect Effects 0.000 claims 2
- 238000004040 coloring Methods 0.000 abstract 1
- 239000010410 layer Substances 0.000 description 46
- 230000000694 effects Effects 0.000 description 10
- 238000012795 verification Methods 0.000 description 9
- 238000001125 extrusion Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 239000002344 surface layer Substances 0.000 description 4
- 239000012790 adhesive layer Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000007790 scraping Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 239000002356 single layer Substances 0.000 description 2
- 238000004880 explosion Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000010408 sweeping Methods 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F3/00—Labels, tag tickets, or similar identification or indication means; Seals; Postage or like stamps
- G09F3/02—Forms or constructions
- G09F3/0297—Forms or constructions including a machine-readable marking, e.g. a bar code
-
- 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
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F3/00—Labels, tag tickets, or similar identification or indication means; Seals; Postage or like stamps
- G09F3/02—Forms or constructions
- G09F3/0291—Labels or tickets undergoing a change under particular conditions, e.g. heat, radiation, passage of time
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F3/00—Labels, tag tickets, or similar identification or indication means; Seals; Postage or like stamps
- G09F3/02—Forms or constructions
- G09F2003/0257—Multilayer
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Credit Cards Or The Like (AREA)
- Printing Methods (AREA)
Abstract
The invention provides a double-layer two-dimensional code anti-counterfeit label, which comprises a sponge substrate, first release paper, strip-line grooves, vesicles, a cover plate, a first printing plate and a second printing plate, wherein the first release paper is arranged on the sponge substrate; the anti-counterfeiting label is characterized in that the first release paper is adhered to one side of the sponge substrate, the shape and the size of the first release paper are matched with those of the sponge substrate, a placing groove is formed in the sponge substrate, the strip line grooves and the vesicles are arranged inside the placing groove, the strip line grooves are communicated with the vesicles, a plastic film is arranged inside the vesicles, a coloring solution is filled in the plastic film, a small amount of liquid is filled in the strip line grooves, the cover plate is connected with the strip line grooves to form a relatively sealed environment, the plane of the cover plate and the vesicles is lower than that of the sponge substrate, the second printing plate is adhered to the first release paper, the first printing plate is adhered to the second printing plate, and the anti-counterfeiting performance is improved by means of double-layer identification and special structures of the anti-counterfeiting label.
Description
Technical Field
The invention relates to the technical field of anti-counterfeit labels, in particular to a double-layer two-dimensional code anti-counterfeit label.
Background
The anti-counterfeiting label is a reference object which is made by a product manufacturer or a trademark holder in order to distinguish counterfeit products, the anti-counterfeiting label mostly exists in real life in a single-layer or double-layer mode, the existing double-layer two-dimensional code anti-counterfeiting label generally comprises a surface layer and base paper, anti-counterfeiting two-dimensional codes are printed on the surface layer, the surface layer is adhered on the base paper, anti-counterfeiting patterns are printed on the base paper after the surface layer is torn, the better anti-counterfeiting effect is achieved by utilizing the double anti-counterfeiting design, in daily life, people pay attention to anti-counterfeiting protection on some high-grade precise products, obviously, the structure of the traditional anti-counterfeiting label is too simple, the traditional anti-counterfeiting label is easy to imitate and manufacture, articles marked by the existing anti-counterfeiting label are not necessarily genuine products, the structure of the anti-counterfeiting label needs to be modified, and the anti-counterfeiting label with a special structure is applied to some high-grade precise products, the anti-counterfeiting label is structurally innovated on the basis of realizing the anti-counterfeiting verification function, is different from the traditional anti-counterfeiting label design, and improves the anti-counterfeiting performance.
At present, the existing double-layer anti-counterfeiting label is simple in structure, easy to imitate, poor in anti-counterfeiting effect, and the existing double-layer anti-counterfeiting label cannot improve the anti-counterfeiting effect through a special structure of the label.
Disclosure of Invention
The invention provides a double-layer two-dimensional code anti-counterfeiting label, aiming at solving the problems of simple structure and poor anti-counterfeiting effect of the conventional double-layer anti-counterfeiting label.
The invention provides a double-layer two-dimensional code anti-counterfeit label for solving the technical problems, which is characterized by comprising the following components: the device comprises a sponge substrate, first release paper, strip-line grooves, vesicles, a cover plate, a first printing plate and a second printing plate;
the sponge base plate one side is pasted with first from type paper, first from type paper shape and size with the sponge base plate phase-match, the standing groove has been seted up on the sponge base plate, strip line groove the vesicle sets up inside the standing groove, strip line groove with the vesicle intercommunication, the inside plastic film that is provided with of vesicle, it has color solution to fill in the plastic film, a small amount of liquid is equipped with in the strip line groove, the apron with strip line groove connects, forms a relatively sealed environment, the apron, the plane of vesicle is less than sponge base plate plane, the second printing plate is pasted on first from type paper, first printing plate is pasted on the second printing plate.
Preferably, the first printing plate the second printing plate is one kind of sticker, and wherein, the first printing plate specifically is transparent pvc sticker, and the second printing plate is ordinary art paper sticker.
Preferably, the first printing plate is printed with a first identification pattern, the second printing plate is printed with a second identification pattern, and the first identification pattern and the second identification pattern form a complete two-dimensional code identification pattern.
Preferably, the bar-row groove further comprises a liquid storage groove and a plurality of convex ribs, the width and the gap of each convex rib are different, each convex rib is distributed in the liquid storage groove in a line shape, and each convex rib forms a complete bar code.
Preferably, the inside of the strip-line groove is dark color, specifically, black or brown.
Preferably, the vesicle is made of latex, and the colored solution is white pigment solution.
Preferably, the cover plate is made of transparent plastic.
Preferably, a doctor blade layer is further included, the doctor blade layer being disposed on the first printing plate.
Preferably, further including pasting layer and second from type paper, the sponge base plate opposite side is provided with paste the layer, the second from type paper with paste the layer and connect, the second from type paper shape and size with sponge base plate shape and size phase-match.
Compared with the prior art, the double-layer two-dimensional code anti-counterfeiting label provided by the invention has the following advantages:
1. the double-layer two-dimensional code anti-counterfeiting label provided by the invention improves the anti-counterfeiting performance by utilizing a double-layer anti-counterfeiting mode and a special structure per se, can realize primary anti-counterfeiting verification only by scanning a two-dimensional code through electronic equipment such as a mobile phone, and the like, tears a second printing plate from a first release paper, displays a cover plate and a vesicle, exerts certain pressure on the vesicle to break a plastic film in the vesicle, after a white pigment solution is mixed with water, the white pigment solution covers a black background of a liquid storage tank to display a bar code, a user can carry out secondary anti-counterfeiting verification by scanning the bar code, when the vesicle is not squeezed, the bar code cannot be scanned due to the same color as the background of the liquid storage tank, the secrecy of the bar code is increased, the plastic film cannot be recovered after being torn, and the label is prevented from being repeatedly used, and the double-layer two-dimensional code anti-counterfeiting label provided by the invention has a novel structure on the whole, the anti-counterfeiting label is different from a common anti-counterfeiting label through the self structural design, is convenient and small, has high anti-counterfeiting performance, and is suitable for anti-counterfeiting in high-grade precise products.
2. The double-layer two-dimensional code anti-counterfeiting label provided by the invention adopts a design mode of superposition combination, namely, the two-dimensional code is formed by superposing the first printing plate and the second printing plate, anti-counterfeiting patterns are printed on the first printing plate and the second printing plate to realize code scanning verification, the first printing plate is made of transparent pvc material, the first printing plate can penetrate through the patterns on the second printing plate, the transparent pvc material has good waterproof performance, the superposition mode is effectively different from the traditional single-layer anti-counterfeiting label to realize an innovative anti-counterfeiting effect, and the scraping layer arranged on the first printing plate effectively shields the two-dimensional code, so that the anti-counterfeiting performance is improved on the other hand.
Drawings
Fig. 1 is a schematic perspective view of a double-layer two-dimensional code anti-counterfeit label provided by the invention;
fig. 2 is a schematic diagram of an explosion structure of a double-layer two-dimensional code anti-counterfeit label provided by the invention;
FIG. 3 is a schematic view of a partial structure of a double-layer two-dimensional code anti-counterfeit label provided by the present invention;
FIG. 4 is a partial cross-sectional view of a double-layer two-dimensional code anti-counterfeit label provided by the invention;
FIG. 5 is a diagram of a vesicle of a double-layer two-dimensional code anti-counterfeit label provided by the invention in an uncompressed state;
fig. 6 is a diagram of the effect of the double-layer two-dimensional code anti-counterfeit label after vesicle extrusion.
Description of reference numerals:
1. a double-layer two-dimension code anti-counterfeit label;
2. a sponge substrate; 3. a first release paper; 4. a strip-shaped groove; 5. a vesicle; 6. a cover plate; 7. a first printing plate; 8. a second printing plate; 9. scraping the layer; 10. a second release paper;
401. a liquid storage tank; 402. and (5) convex ribs.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.
At present, the existing double-layer anti-counterfeiting label is simple in structure, easy to imitate, poor in anti-counterfeiting effect, and the existing double-layer anti-counterfeiting label cannot improve the anti-counterfeiting effect through a special structure of the existing double-layer anti-counterfeiting label, so that the problem needs to be solved by the double-layer two-dimensional code anti-counterfeiting label.
Referring to fig. 1 to 6, a first embodiment of the present invention provides a two-layer two-dimensional code anti-counterfeit label 1, which solves the problems of simple structure and poor anti-counterfeit performance of the existing anti-counterfeit label and is suitable for anti-counterfeit of high-end precision products.
The invention provides a double-layer two-dimensional code anti-counterfeiting label 1 which is characterized by comprising the following components: the device comprises a sponge substrate 2, first release paper 3, strip-line grooves 4, vesicles 5, a cover plate 6, a first printing plate 7 and a second printing plate 8;
2 one side of sponge base plate is pasted and is had firstly from type paper 3, it is first from 3 shape size of type paper and 2 phase-matchs of sponge base plate, the standing groove has been seted up on the sponge base plate 2, strip capable groove 4, 5 settings of vesicle are inside the standing groove, strip capable groove 4 and 5 intercommunications of vesicle, 5 inside plastic film that are provided with of vesicle, it has the color solution to fill in the plastic film, a small amount of liquid is equipped with in the strip capable groove 4, the apron is connected with strip capable groove, form a relative sealed environment, the apron 6, the plane of vesicle 5 is less than 2 planes of sponge base plate, 8 boards of second printing are pasted on first type paper 3, first printing plate 7 is pasted on 8 boards of second printing.
It can be understood that the scanning window of the electronic device such as the mobile phone is aligned to the two-dimensional code on the double-layer two-dimensional code anti-counterfeit label 1, the first anti-counterfeit verification can be realized, the second printing plate 8 is torn off from the first release paper 3, the display cover plate 6 and the vesicle 5 apply a certain pressure to the vesicle 5, the vesicle 5 can extrude the plastic film, the plastic film is loaded with full colored liquid, the colored liquid is specifically white pigment solution, when the applied pressure exceeds the bearing capacity of the plastic film, the plastic film is extruded and exploded, the white pigment solution flows out from the plastic film and is mixed with the water in the vesicle 5 and the strip-shaped groove 4 to form the white pigment solution together, the white pigment solution can flow due to the limitation of the internal structure of the strip-shaped groove 4, finally the white pigment solution covers the background of the strip-shaped groove 4 to display the bar code, and the user can perform the second anti-counterfeit verification by scanning the bar code, the plastic film can not be recovered after being squeezed, and the label is prevented from being reused.
Specifically, first printing plate 7, second printing plate 8 are one kind of sticker, and wherein, first printing plate 7 specifically is transparent pvc sticker, and second printing plate 8 is ordinary coated paper sticker.
Specifically, a first identification pattern is printed on the first printing plate 7, a second identification pattern is printed on the second printing plate 8, and the first identification pattern and the second identification pattern form a complete two-dimensional code identification pattern.
It can be understood that the two-dimensional code comprises first printing plate 7 and 8 superpositions of second printing plate, through printing security pattern on first printing plate 7 and second printing plate 8, realize sweeping the sign indicating number and verifying, first printing plate 7 adopts transparent pvc material, see through first printing plate 7 and can see the pattern on the second printing plate 8, adopt transparent pvc material to have good waterproof performance, this kind of stack mode effectively is different from traditional individual layer antifalsification label, realize the anti-fake effect of innovation.
Specifically, the bar row groove 4 further comprises a liquid storage groove 401 and ribs 402, the liquid storage groove 401 and the ribs 402 form the bar row groove 4, the number of the ribs 402 is multiple, the width and the gap of each rib 402 are different, each rib 402 is arranged and distributed in the liquid storage groove 401 in a line shape, and the ribs 402 form a complete bar code.
It will be appreciated that after the plastic film is extruded, the white pigment solution will flow out of the plastic film, the white pigment solution will cover the background of the reservoir 401, and the overall level of the mixed white pigment solution will be lower than the level of the ribs 402, i.e. lower than the bar code level, so that the extruded vesicle 5 will display the bar code.
Specifically, the inside of the stripe groove 4 is dark color, specifically, black or brown.
It can be understood that the bar-shaped groove 4 is composed of a bar code and a liquid storage tank 401, the bar code is composed of a plurality of convex ribs 402, and if the vesicle 5 is not squeezed after the second printing plate 8 is torn, the bar code can not be scanned due to the color of the bar code is the same as the background color of the liquid storage tank 401, so that the secrecy of the bar code is increased.
Specifically, the vesicle 5 is made of latex, and the colored solution is white pigment solution.
It can be understood that the vesicle 5 is made of latex and has good extrusion performance, and the problem that the white pigment solution in the vesicle 5 flows out to pollute the product after the vesicle is broken in the extrusion process is solved.
Specifically, the cover plate 6 is made of transparent plastic.
It can be understood that the cover plate 6 and the bar groove 4 are combined into a relatively closed environment to prevent the white pigment solution from flowing out, and meanwhile, the bar code inside can be displayed through the transparent plastic cover plate to realize secondary anti-counterfeiting verification.
Specifically, a doctor blade layer 9 is further included, and the doctor blade layer 9 is provided on the first printing plate 7.
It will be appreciated that the effect of the scratch layer 9 is to mask the security pattern on the first printing plate 7, further improving the security properties.
Specifically, further including pasting layer and second from type paper 10, 2 opposite sides of sponge base plate are provided with pastes the layer, the second from type paper 10 with paste the layer and connect, the second from type paper 10 shape and size and sponge base plate 2 shape and size phase-match.
It can be understood that the arrangement of the adhesive layer and the second release paper 10 is mainly convenient for the double-layer two-dimensional code anti-counterfeit label 1 to be adhered or hung at a specified position, the adhesive layer is arranged at the other side of the sponge substrate 2, and the double-layer two-dimensional code anti-counterfeit label 1 can be adhered at a required position after the second release paper 10 is torn; the second is not torn the second and is connected this antifalsification label with hanging the rope from the circumstances of type paper 10, sets up one on this double-deck two-dimensional code antifalsification label 1 and runs through sponge base plate 2, second from the aperture of type paper 10, passes the mode of aperture through hanging the rope and hangs this double-deck two-dimensional code antifalsification label 1 on the assigned position.
The working principle of the invention is as follows: referring to fig. 1-6, a scraping layer 9 on a first printing plate 7 is scraped, a scanning window of an electronic device such as a mobile phone is aligned with a two-dimensional code on a double-layer two-dimensional code anti-counterfeit label 1, a first anti-counterfeit verification can be realized, a second printing plate 8 is torn off from a first release paper 3, a cover plate 6 and a vesicle 5 are displayed, a certain pressure is applied to the vesicle 5, the vesicle 5 extrudes a plastic film, the plastic film is loaded with a full white pigment, when the extrusion pressure exceeds the bearing capacity of the plastic film, the plastic film is extruded and exploded, the white pigment solution flows out from the plastic film and is mixed with water in the vesicle 5 and a strip-shaped groove 4 to form a white pigment solution together, the white pigment solution flows due to the limitation of a convex rib 402 on a liquid storage tank 401, finally, the white pigment solution covers a black background of the liquid storage tank 401, and the whole level of the mixed white pigment solution is lower than that of the convex rib 402, the anti-counterfeiting label is lower than the horizontal plane of the bar code, so that the bar code can be displayed, a user can perform secondary anti-counterfeiting verification by scanning the bar code, the plastic film cannot be recovered after being squeezed, the label is prevented from being reused, the second release paper 10 is torn, and the anti-counterfeiting label can be adhered to a specified position by the adhesive layer on the sponge substrate 2.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit of the present invention are intended to be included within the scope of the present invention.
Claims (9)
1. The utility model provides a double-deck two-dimensional code antifalsification label which characterized in that includes: the device comprises a sponge substrate, first release paper, strip-line grooves, vesicles, a cover plate, a first printing plate and a second printing plate;
the sponge base plate one side is pasted and is had firstly from type paper, firstly from type paper overall dimension with the sponge base plate phase-match, the standing groove has been seted up on the sponge base plate, the strip capable groove the vesicle sets up inside the standing groove, the strip capable groove with the vesicle intercommunication, the inside plastic film that is provided with of vesicle, it has the color solution to fill in the plastic film, a small amount of liquid is equipped with in the strip capable groove, the apron with the strip capable groove is connected, forms a relatively sealed environment, the apron, the plane of vesicle is less than sponge base plate plane, the second printing plate is pasted on first type paper, first printing plate is pasted on the second printing plate.
2. The double-layer two-dimensional code anti-counterfeit label of claim 1, characterized in that: first printing plate the second printing plate is one kind of non-setting adhesive sticker, and wherein, first printing plate specifically is transparent pvc sticker, and the second printing plate is ordinary art paper non-setting adhesive sticker.
3. The double-layer two-dimensional code anti-counterfeit label of claim 2, characterized in that: the first printing plate is printed with a first identification pattern, the second printing plate is printed with a second identification pattern, and the first identification pattern and the second identification pattern form a complete two-dimensional code identification pattern.
4. The double-layer two-dimensional code anti-counterfeit label of claim 1, characterized in that: the bar-row groove is composed of a plurality of liquid storage grooves and convex ribs, the width and the gap of each convex rib are different, each convex rib is distributed in the liquid storage groove in a line shape, and each convex rib forms a complete bar code.
5. The double-layer two-dimensional code anti-counterfeit label of claim 1, characterized in that: the interior of the strip-line groove is dark color, specifically black or brown.
6. The double-layer two-dimensional code anti-counterfeit label of claim 1, characterized in that: the vesicle is made of latex, and the colored solution is white pigment solution.
7. The double-layer two-dimensional code anti-counterfeit label of claim 1, characterized in that: the cover plate is made of transparent plastic.
8. The double-layer two-dimensional code anti-counterfeit label of claim 1, characterized in that: further comprising a doctor blade layer disposed on the first printing plate.
9. The double-layer two-dimensional code anti-counterfeit label of claim 1, characterized in that: further including pasting layer and second from type paper, the sponge base plate opposite side is provided with paste the layer, the second from type paper with paste the layer and connect, the second from type paper shape and size with sponge base plate shape and size phase-match.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210232729.6A CN114842734B (en) | 2022-03-10 | 2022-03-10 | Double-layer two-dimension code anti-counterfeit label |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210232729.6A CN114842734B (en) | 2022-03-10 | 2022-03-10 | Double-layer two-dimension code anti-counterfeit label |
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| CN114842734A true CN114842734A (en) | 2022-08-02 |
| CN114842734B CN114842734B (en) | 2024-03-29 |
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| CN207541848U (en) * | 2017-12-20 | 2018-06-26 | 重庆新瑞丽包装印务有限公司 | A kind of warning label |
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| CN110992814A (en) * | 2019-12-05 | 2020-04-10 | 竹林伟业科技发展（天津）股份有限公司 | Magnetic induction color-changing anti-counterfeit label and packaging structure |
| CN212061653U (en) * | 2020-05-09 | 2020-12-01 | 河南省方向标印务股份有限公司 | Fragile anti-counterfeit label |
| CN112233536A (en) * | 2020-11-02 | 2021-01-15 | 深圳市裕同包装科技股份有限公司 | Anti-counterfeit label and production method thereof |
| CN212873857U (en) * | 2020-09-15 | 2021-04-02 | 无锡瑞彩包装材料有限公司 | Ultraviolet fluorescence antifalsification label |
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| JPH0958120A (en) * | 1995-08-24 | 1997-03-04 | Mitsubishi Paper Mills Ltd | Recording sheet and detection of forgery |
| JP2000006989A (en) * | 1998-06-17 | 2000-01-11 | Fuji Seal Inc | Transfusion bag with label |
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| CN114842734B (en) | 2024-03-29 |
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