CN108909228B - Combined anti-counterfeiting printed matter and preparation method thereof - Google Patents
Combined anti-counterfeiting printed matter and preparation method thereof Download PDFInfo
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- CN108909228B CN108909228B CN201810709610.7A CN201810709610A CN108909228B CN 108909228 B CN108909228 B CN 108909228B CN 201810709610 A CN201810709610 A CN 201810709610A CN 108909228 B CN108909228 B CN 108909228B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M3/00—Printing processes to produce particular kinds of printed work, e.g. patterns
- B41M3/14—Security printing
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M1/00—Inking and printing with a printer's forme
- B41M1/10—Intaglio printing ; Gravure printing
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M5/00—Duplicating or marking methods; Sheet materials for use therein
- B41M5/0011—Pre-treatment or treatment during printing of the recording material, e.g. heating, irradiating
- B41M5/0017—Application of ink-fixing material, e.g. mordant, precipitating agent, on the substrate prior to printing, e.g. by ink-jet printing, coating or spraying
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M7/00—After-treatment of prints, e.g. heating, irradiating, setting of the ink, protection of the printed stock
- B41M7/009—After-treatment of prints, e.g. heating, irradiating, setting of the ink, protection of the printed stock using thermal means, e.g. infrared radiation, heat
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- G—PHYSICS
- G07—CHECKING-DEVICES
- G07D—HANDLING OF COINS OR VALUABLE PAPERS, e.g. TESTING, SORTING BY DENOMINATIONS, COUNTING, DISPENSING, CHANGING OR DEPOSITING
- G07D7/00—Testing specially adapted to determine the identity or genuineness of valuable papers or for segregating those which are unacceptable, e.g. banknotes that are alien to a currency
- G07D7/003—Testing specially adapted to determine the identity or genuineness of valuable papers or for segregating those which are unacceptable, e.g. banknotes that are alien to a currency using security elements
- G07D7/0032—Testing specially adapted to determine the identity or genuineness of valuable papers or for segregating those which are unacceptable, e.g. banknotes that are alien to a currency using security elements using holograms
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Computer Security & Cryptography (AREA)
- General Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Thermal Sciences (AREA)
- Toxicology (AREA)
- Printing Methods (AREA)
Abstract
The invention discloses a combined anti-counterfeiting printed matter and a preparation method thereof, when a base material is a non-transparent base material, the method comprises the following steps: a middle shading pattern and a gravure profile; when the substrate is a transparent substrate, the method comprises the following steps: optical microlens array, gravure micropattern array, gravure profile, and light source-excited flexographic coating. The preparation method comprises the following steps: printing intermediate shading patterns or printing optical micro-lens arrays, printing gravure profiles and the like. This product stacks multiple anti-fake characteristic, has promoted anti-fake effect.
Description
Technical Field
The invention relates to the technical field of anti-counterfeiting printed matters, in particular to a combined anti-counterfeiting printed matter and a preparation method thereof.
Background
In daily life, anti-counterfeiting printed products are various, can be applied to anti-counterfeiting products such as bank notes, securities and the like, and improve the counterfeiting difficulty to a certain extent.
In the prior art, the mutual printing and overprinting relation of the patterns on the anti-counterfeiting product is not accurate, and the superposition degree of the patterns is simple, so that the imitation is easier, and the anti-counterfeiting effect of the anti-counterfeiting patterns is reduced; and most anti-counterfeiting printed matters have complex printing process and complex operation.
Therefore, how to provide a combined anti-counterfeiting printed matter with good anti-counterfeiting effect and simple printing process and a preparation method thereof are problems to be solved urgently by technical personnel in the field.
Disclosure of Invention
In view of the above, the invention provides a combined anti-counterfeiting printed matter and a preparation method thereof, patterns on the anti-counterfeiting printed matter have accurate contra-printing and overprinting relation, the counterfeiting difficulty is improved, the anti-counterfeiting effect is good, the anti-counterfeiting printed matter is finished by one-time paper feeding, and the preparation process is simple.
In order to achieve the purpose, the invention adopts the following technical scheme:
a combination security print comprising: a substrate comprising a non-transparent substrate and a transparent substrate, when the substrate is the non-transparent substrate, the combination security print further comprising: a first intermediate shading pattern, a second intermediate shading pattern, an indirect gravure profile and an engraved gravure profile; the first middle shading pattern and the second middle shading pattern are mutually overprinted and respectively cured on two sides of the non-transparent substrate; the indirect gravure profile and the engraving gravure profile are printed oppositely and arranged on two sides of the non-transparent base material; the first intermediate shading pattern is overprinted with the indirect gravure profile and the engraving gravure profile respectively; the indirect gravure profile and the first middle shading pattern are arranged on the same side, the first middle shading pattern is printed firstly, and the indirect gravure profile is printed secondly; the second intermediate shading pattern is overprinted with the indirect gravure profile and the engraving gravure profile respectively; the engraving gravure profile and the second middle shading pattern are arranged on the same side, the second middle shading pattern is printed firstly, and the engraving gravure profile is printed secondly; when the substrate is the transparent substrate, the combined anti-counterfeiting printed matter further comprises: indirect gravure profile, optical microlens array, gravure micropattern array and engraved gravure profile; the optical micro-lens array and the indirect gravure profile are printed oppositely and are solidified on one surface of the transparent base material, the optical micro-lens array is printed firstly, and the indirect gravure profile is printed secondly; the gravure micro-pattern array and the engraving gravure profile are overprinted, and the engraving micro-pattern array consisting of the gravure micro-pattern array and the engraving gravure profile is arranged on the other side of the transparent base material; the engraving gravure profile is overprinted with the optical microlens array and is in counterprinting with the indirect gravure profile.
Optionally, when the substrate is the transparent substrate, the combined anti-counterfeit printed matter further includes: the light source excited flexible printing coating and the optical micro-lens array are symmetrically cured on two sides of the transparent substrate; the optical excitation flexible printing coating is respectively overprinted with the indirect gravure profile and the engraving gravure profile; the engraving micro-pattern array and the light source excitation flexible printing coating are printed on the same side of the transparent base material, the light source excitation flexible printing coating is printed firstly, and the engraving micro-pattern array is printed secondly.
When the substrate is the non-transparent substrate, the combined anti-counterfeiting printed matter is prepared by the following steps:
1) printing the first intermediate shading pattern on one side of the non-transparent substrate, and simultaneously, symmetrically printing a second intermediate shading pattern with overprint relation on the other side of the non-transparent substrate; obtaining a preliminary printed matter after UV light curing;
2) simultaneously printing the indirect gravure profile and the engraving gravure profile which have a mutual printing relationship on two sides of the primary printed matter obtained in the step 1) to obtain a combined anti-counterfeiting printed matter; the gravure profile masks edges of the first intermediate shading pattern during printing; the engraved gravure profile masks edges of the second intermediate shading pattern;
when the base material is the transparent base material, the combined anti-counterfeiting printed matter is prepared by the following steps:
1) coating a layer of lens coating on one surface of the transparent substrate, and carrying out die pressing of a lens die pressing plate and irradiation of UV light on the lens coating to change the lens coating into the optical micro-lens array to obtain a primary printed matter;
2) making the gravure micro-pattern array and the engraving gravure profile on the same printing plate, and simultaneously printing to obtain an engraving micro-pattern array;
3) and simultaneously printing the indirect gravure contour and the carved micro-pattern array on two sides of the primary printed matter through primary imprinting to obtain the combined anti-counterfeiting printed matter.
Optionally, when the substrate is the transparent substrate, the step 1) further includes: manufacturing a colorless and transparent light source excitation flexible printing coating at the position where the other surface of the transparent base material is symmetrical to the optical micro-lens array; and curing it with UV light to obtain a preliminary print.
Optionally, when the substrate is the transparent substrate, in the step 3), the edge of the optical microlens array is covered by the indirect gravure profile.
Optionally, when the substrate is the transparent substrate, the engraved gravure profile masks the edges of the light source-activated flexo coating.
According to the technical scheme, compared with the prior art, the invention discloses and provides the combined anti-counterfeiting printed matter and the preparation method thereof, wherein when the base material is a non-transparent base material, the middle shading pattern is in seamless butt joint with the indirect gravure profile and the engraving gravure profile respectively; under the condition that one side is subjected to perspective, the indirect gravure profile and the engraving gravure profile realize accurate butt printing, meanwhile, the middle shading patterns of the two sides are overlapped, and the gravure profile and the overlapped patterns of the shading realize visual seamless butt joint. When the substrate is a transparent substrate, one surface of the transparent substrate is solidified with the optical micro-lens array, and the optical micro-lens array forms an amplified dynamic visual effect by overprinting with the gravure micro-pattern array. According to the invention, various anti-counterfeiting characteristics are superposed, and the dynamic visual effect amplified by the micro-lens array is utilized, so that the anti-counterfeiting printed matter cannot be copied and counterfeited by a conventional means, and the anti-counterfeiting effect is improved.
In the preparation method of the anti-counterfeiting product disclosed by the invention, various anti-counterfeiting patterns are finished by one-time paper feeding printing, so that the manufacturing process is simplified; in addition, in the manufacturing process, the edge of the middle shading pattern or the micro-lens array is covered by the indirect gravure profile, the edge of the middle shading pattern or the light source excited flexible printing coating is covered by the engraving gravure profile, and the seamless butt joint of the gravure profile and the middle shading pattern and the seamless butt joint of the gravure profile and the micro-lens array can be formed due to the strong covering power of the gravure ink.
In summary, the combined anti-counterfeiting printed matter disclosed by the invention can observe amplified dynamic transformation patterns and fuzzy dynamic effects on two sides by shaking the base material or under the irradiation of the excitation light source, so that the printed matter enables multiple anti-counterfeiting characteristics to be superposed, and the counterfeiting difficulty of the anti-counterfeiting patterns is improved. Moreover, these patterns are not only visually appealing, but also easily recognizable to the public, effectively as a public security feature.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
FIG. 1 is a schematic structural diagram of a non-transparent substrate combined anti-counterfeit printed matter according to the present invention;
FIG. 2 is a schematic cross-sectional view of an overprint of a non-transparent substrate composite security print according to the present invention;
FIG. 3 is a schematic structural diagram of a transparent substrate combined anti-counterfeit printed matter according to the present invention;
FIG. 4 is a schematic cross-sectional view of an overprint of a transparent substrate composite security printed matter according to the present invention;
FIG. 5 is a schematic structural diagram of a transparent substrate combined anti-counterfeit printed matter according to the present invention;
FIG. 6 is a schematic cross-sectional view of an overprint of a transparent substrate combined anti-counterfeit printed matter according to the present invention;
FIG. 7 is a schematic structural diagram of a transparent substrate combined anti-counterfeit printed matter according to the present invention;
FIG. 8 is a schematic cross-sectional view of the overprint of the transparent substrate combined anti-counterfeit printed matter of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example one
As shown in fig. 1, 1 is a non-transparent substrate, such as paper. Printing a first intermediate shading pattern 11 of one color on one side of a non-transparent substrate, and performing rapid curing by using UV light; a second intermediate ground tint pattern 12 of another color is printed at the corresponding position on the other side of the non-transparent substrate 1 and is rapidly cured by using UV light. The first intermediate ground tint pattern 11 and the second intermediate ground tint pattern 12 have a precise overprint relationship; the intaglio profile 13 and the engraved intaglio profile 14 are simultaneously transferred to one side and the other side of the paper sheet in one impression. The two have high-precision print-matching relationship.
As shown in fig. 2, the indirect gravure profile 13 covers the edge of the first intermediate ground tint pattern 11, and the engraved gravure ground tint pattern 14 covers the edge of the second intermediate ground tint pattern 23, so that the seamless joint of the gravure profile 3 and the intermediate ground tint pattern 2 can be visually formed due to the strong covering power of the gravure ink.
Example two
As shown in fig. 3, 2 is a transparent substrate, one side of the transparent substrate 2 is coated with a lens coating, and the cured coating forms an optical microlens array 21 through the mold pressing of a lens mold pressing plate and the irradiation of UV light; the gravure micro-pattern array 22 and the engraved gravure profile 14 are manufactured on a printing plate and are printed simultaneously; the indirect gravure profile 13 and the engraved gravure profile 14 are printed simultaneously in one impression and transferred to one side and the other side of the transparent base material 2, respectively, both having a high-precision mutual printing relationship.
As shown in fig. 4, the indirect gravure profile 13 covers the edge of the optical microlens array 21, and because the covering power of the gravure ink is strong, a seamless joint of the gravure profile visually and the optical microlens array 21 can be formed.
EXAMPLE III
As shown in fig. 5, 2 is a transparent substrate, one side of the transparent substrate 2 is coated with a lens coating, and the cured coating forms an optical microlens array 21 through the molding of a lens molding plate and the irradiation of UV light; manufacturing a gravure micro-pattern array 22 and a gravure profile 14 on the other surface of the transparent substrate 2 and/or manufacturing a colorless and transparent light source excitation flexible printing coating 23 on the other surface of the transparent substrate 2; wherein, the gravure micro-pattern array 22 and the engraving gravure profile 14 are manufactured on the same printing plate and printed simultaneously; the engraved gravure profile 14 has a precise overprint relationship with the light source activated flexo coating 23 and the microlens array 21, respectively.
As shown in fig. 6, the engraved gravure profile 14 masks the edge of the light source-excited flexographic coating 23, and because of the strong masking power of the gravure ink, the effect of seamless joint between the gravure profile and the flexographic pattern can be achieved visually.
Example four
As shown in fig. 7, 2 is a transparent substrate, one side of the transparent substrate 2 is coated with a lens coating, and the cured coating forms an optical microlens array 21 through the molding of a lens molding plate and the irradiation of UV light; a layer of colorless and transparent light source excitation flexible printing coating 23 is manufactured on the other surface of the transparent base material 2 and is rapidly cured under the irradiation of UV light; the gravure micro-pattern 22 and the engraved gravure profile 14 are made on one printing plate and printed simultaneously; the intaglio profile 13 and the engraved intaglio profile 14 are simultaneously transferred by printing to one side and the other side of the transparent substrate 2, respectively, in a single impression, both having a precise register relationship.
As shown in fig. 8, the indirect gravure profile 13 covers the edge of the micro-transparent array 21, and the engraved gravure profile 14 covers the edge of the light source-excited flexographic coating 23, so that the gravure profile in vision can be seamlessly butted with the optical microlens array 21 and the light source-excited flexographic pattern, respectively, due to the strong covering power of the gravure ink.
The important point of each embodiment described in the progressive manner in the embodiments in this specification is that the embodiments are different from other embodiments, and the same and similar parts among the embodiments can be referred to each other. The device disclosed by the embodiment corresponds to the method disclosed by the embodiment, so that the description is simple, and the relevant points can be referred to the method part for description.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (6)
1. A combination security print comprising: a substrate comprising a non-transparent substrate (1) and a transparent substrate (2), characterized in that: when the substrate is the non-transparent substrate (1), the combination security print further comprises: a first intermediate ground pattern (11), a second intermediate ground pattern (12), an indirect gravure profile (13), and an engraved gravure profile (14); the first intermediate shading pattern (11) and the second intermediate shading pattern (12) are mutually overprinted and respectively solidified on two sides of the non-transparent substrate (1); the indirect gravure profile (13) and the engraving gravure profile (14) are printed with each other and arranged on two sides of the non-transparent base material (1); the first intermediate shading pattern (11) is overprinted with the indirect gravure profile (13) and the engraved gravure profile (14), respectively; the indirect gravure profile (13) and the first middle shading pattern (11) are arranged on the same side, the first middle shading pattern (11) is printed firstly, and the indirect gravure profile (13) is printed secondly; the second intermediate shading pattern (12) is overprinted with the indirect gravure profile (13) and the engraved gravure profile (14), respectively; the engraving gravure profile (14) and the second middle shading pattern (12) are arranged on the same side, the second middle shading pattern (12) is printed firstly, and the engraving gravure profile (14) is printed secondly;
when the substrate is the transparent substrate (2), the combined security print further comprises: an indirect gravure profile (13), an optical microlens array (21), a gravure micropattern array (22), and an engraved gravure profile (14); the optical microlens array (21) and the indirect gravure profile (13) are overprinted and are both cured on one side of the transparent substrate (2), the optical microlens array (21) is printed firstly, and the indirect gravure profile (13) is printed secondly; the gravure micro-pattern array (22) and the engraving gravure profile (14) are overprinted, and the engraving micro-pattern array consisting of the gravure micro-pattern array (22) and the engraving gravure profile (14) is arranged on the other surface of the transparent base material (2); the engraved gravure profile (14) is overprinted with the optical microlens array (21) and is in register with the indirect gravure profile (13).
2. A combination security print according to claim 1, wherein when the substrate is the transparent substrate (2), the combination security print further comprises: the light source excited flexible printing coating (23), and the light source excited flexible printing coating (23) and the optical micro-lens array (21) are symmetrically cured on two sides of the transparent substrate (2); the optically-activated flexo coating (23) overprints with the indirect gravure profile (13) and the engraved gravure profile (14), respectively; the engraved micro-pattern array and the light source excited flexible printing coating (23) are printed on the same side of the transparent substrate (2), the light source excited flexible printing coating (23) is printed firstly, and the engraved micro-pattern array is printed secondly.
3. The method for preparing a combined security print according to claim 2, wherein when the substrate is the non-transparent substrate (1), the combined security print is prepared by the following steps:
1) printing the first intermediate ground tint pattern (11) on one surface of the non-transparent base material (1), and simultaneously, symmetrically printing a second intermediate ground tint pattern (12) with overprint relation on the other surface of the non-transparent base material (1); obtaining a preliminary printed matter after UV light curing;
2) simultaneously printing the indirect gravure profile (13) and the engraving gravure profile (14) with a mutual printing relationship on two sides of the primary printed matter obtained in the step 1) to obtain a combined anti-counterfeiting printed matter; the rotogravure profile (13) masks the edges of the first intermediate shading pattern (11) during printing; the engraved intaglio profile (14) masking the edges of the second intermediate shading pattern (12);
when the base material is the transparent base material (2), the combined anti-counterfeiting printed matter is prepared by the following steps:
1) coating a lens coating on one surface of the transparent base material (2), and carrying out die pressing of a lens die pressing plate and irradiation of UV light on the lens coating to change the lens coating into the optical micro-lens array (21) to obtain a primary printed matter;
2) and manufacturing the gravure micro-pattern array (22) and the engraving gravure profile (14) on the same printing plate, simultaneously printing to obtain an engraving micro-pattern array, and simultaneously printing the indirect gravure profile (13) and the engraving micro-pattern array on two sides of the preliminary printed matter through primary imprinting to obtain the combined anti-counterfeiting printed matter.
4. The method for preparing the combined anti-counterfeiting printed matter according to claim 3, wherein when the substrate is the transparent substrate (2), the step 1) further comprises the following steps: manufacturing a colorless and transparent light source excitation flexo printing coating (23) at the position of the other surface of the transparent base material (2) which is symmetrical to the optical micro-lens array (21); and curing it with UV light to obtain a preliminary print.
5. The method for preparing a combined security print according to claim 3, wherein when the substrate is the transparent substrate (2), the edge of the optical microlens array (21) is covered by the indirect gravure profile (13) in the step 2).
6. The method of claim 4, wherein the engraved intaglio printing profile (14) masks the edges of the light source activated flexo coating (23) when the substrate is the transparent substrate (2).
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| CN201810709610.7A CN108909228B (en) | 2018-07-02 | 2018-07-02 | Combined anti-counterfeiting printed matter and preparation method thereof |
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| CN201810709610.7A CN108909228B (en) | 2018-07-02 | 2018-07-02 | Combined anti-counterfeiting printed matter and preparation method thereof |
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| CN108909228B true CN108909228B (en) | 2020-01-21 |
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| CN109605927B (en) * | 2019-02-02 | 2020-09-15 | 太阳机械股份有限公司 | Large satellite type 3D printing system and working method thereof |
| CN112895755A (en) * | 2021-01-14 | 2021-06-04 | 广东金冠科技股份有限公司 | Anti-counterfeiting material and manufacturing method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1236931C (en) * | 2002-06-24 | 2006-01-18 | 中国印钞造币总公司 | Intaglio printing equipment, method and printed products thereof |
| CN1814466A (en) * | 2005-02-05 | 2006-08-09 | 江苏嘉逸贸易有限公司 | Method for making anticounterfeit cigarette label |
| CN100360323C (en) * | 2005-12-23 | 2008-01-09 | 中国印钞造币总公司 | Method for printing perspective color-superposed latent image by counter-printing concave print |
| WO2009050733A2 (en) * | 2007-10-15 | 2009-04-23 | Jayaraman N R | Two stage printing system for special blind mark feeval |
| CN101450591A (en) * | 2007-11-29 | 2009-06-10 | 上海东港印刷有限公司 | Anti-counterfeit bills production method |
| US8215565B2 (en) * | 2010-03-28 | 2012-07-10 | Christopher Brett Howard | Apparatus and method for securement of two-dimensional bar codes with geometric symbology |
| CN101973172A (en) * | 2010-03-30 | 2011-02-16 | 淄博泰宝包装制品有限公司 | Method for performing positioning chromatography on holographic information and color printing information |
| DE102010048772A1 (en) * | 2010-10-13 | 2012-04-19 | Bundesdruckerei Gmbh | A method of producing a security document having a viewing angle dependent security feature and security document |
| CA2862905C (en) * | 2012-01-12 | 2021-08-24 | Jds Uniphase Corporation | Article with a dynamic frame formed with aligned pigment flakes |
| CN103386829B (en) * | 2012-05-09 | 2018-01-12 | 天津阿波罗电子有限公司 | A kind of endowed method that anti-counterfeiting codes are carried out using laser |
| CN103182874B (en) * | 2013-04-03 | 2015-05-13 | 中国印钞造币总公司 | Printing technology for generating color change by performing single gravure air compression on double surfaces |
| CN103342060B (en) * | 2013-06-18 | 2016-01-20 | 坤达国际有限公司 | A kind of Three-dimensional printed matter and stereoscopic picture printing technique |
| CN104149504A (en) * | 2014-08-20 | 2014-11-19 | 传虹科技(天津)有限公司 | Processing method of anti-counterfeiting printed products |
| CN105216473B (en) * | 2015-08-28 | 2018-10-26 | 南京造币有限公司 | It is a kind of to be used for printing plate and preparation method thereof of the gravure to print technique |
| CN107521223A (en) * | 2017-08-01 | 2017-12-29 | 湖州新天外绿包印刷有限公司 | Combined type high accuracy printing plate and its triple channel thermoprint refractive power anti-counterfeiting mark of making |
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Address after: No. 919, Tianyin Avenue, Jiangning District, Nanjing City, Jiangsu Province, 210000 Patentee after: NANJING BANKNOTE MINTING Co.,Ltd. Patentee after: China Banknote Printing and Minting Group Co.,Ltd. Address before: No. 919, Tianyin Avenue, Jiangning District, Nanjing City, Jiangsu Province, 210000 Patentee before: NANJING BANKNOTE MINTING Co.,Ltd. Patentee before: CHINA BANKNOTE PRINTING AND MINTING Corp. |