EP3446884A1 - Cryptographic morphological security feature - Google Patents
Cryptographic morphological security feature Download PDFInfo
- Publication number
- EP3446884A1 EP3446884A1 EP17001429.4A EP17001429A EP3446884A1 EP 3446884 A1 EP3446884 A1 EP 3446884A1 EP 17001429 A EP17001429 A EP 17001429A EP 3446884 A1 EP3446884 A1 EP 3446884A1
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- European Patent Office
- Prior art keywords
- security feature
- grid
- packaging
- feature according
- raster
- Prior art date
- 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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- 230000000877 morphologic effect Effects 0.000 title description 2
- 238000000926 separation method Methods 0.000 claims abstract description 20
- 238000004806 packaging method and process Methods 0.000 claims abstract description 13
- 239000011159 matrix material Substances 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 7
- 239000011888 foil Substances 0.000 claims description 5
- 239000000758 substrate Substances 0.000 description 4
- 238000007639 printing Methods 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 239000003086 colorant Substances 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- -1 for example of PI Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 239000004696 Poly ether ether ketone Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- JUPQTSLXMOCDHR-UHFFFAOYSA-N benzene-1,4-diol;bis(4-fluorophenyl)methanone Chemical compound OC1=CC=C(O)C=C1.C1=CC(F)=CC=C1C(=O)C1=CC=C(F)C=C1 JUPQTSLXMOCDHR-UHFFFAOYSA-N 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 229920002457 flexible plastic Polymers 0.000 description 1
- 238000009499 grossing Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 238000007645 offset printing Methods 0.000 description 1
- 229920001643 poly(ether ketone) Polymers 0.000 description 1
- 229920006260 polyaryletherketone Polymers 0.000 description 1
- 229920002530 polyetherether ketone Polymers 0.000 description 1
- 238000007650 screen-printing Methods 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
- 229910052718 tin Inorganic materials 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
- B42D—BOOKS; BOOK COVERS; LOOSE LEAVES; PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITY FEATURES; PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOT OTHERWISE PROVIDED FOR; DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDED FOR; MOVABLE-STRIP WRITING OR READING APPARATUS
- B42D25/00—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof
- B42D25/30—Identification or security features, e.g. for preventing forgery
Definitions
- the invention relates to a cryptic morphological security feature that can be used as a security element in value documents and in particular packaging, and packaging that have this security feature.
- the object of the invention was therefore to provide a security feature that can be integrated into an existing design of packaging, without changing the design optically when viewed with the naked eye, but which offers increased protection against counterfeiting and in which a forgery can be proved beyond doubt. Neither the color scheme nor the motif of the design should be visually changed.
- the subject matter of the invention is therefore a security feature, in particular for packaging, characterized in that a color separation of a defined colored area of a motif is formed by two different rasters whose portion is defined by a cryptic key.
- Another object of the invention are film materials having this security feature, as well as packaging made therefrom for products.
- colored representations are printed on a film material or on a packaging produced therefrom as a halftone image in the CYMK system as a dot matrix.
- individual colors of the CYMK system can also be defined as spot color, e.g. Magenta as red.
- this color separation can be represented, for example, partly as a dot matrix and partly as a line raster, for example.
- Other types of raster are also possible, for example stochastic or frequency-modeled rasters.
- One of the color separations is selected from a color image consisting of cyan, magenta, yellow and black in the CYMK system. This separation has tonal values from 1 to 100%.
- a tonal value of this extract is split into two parts.
- a part of the tonal value is printed as a dot matrix, the second part of the tonal value is printed as a line grid.
- a tone value of 30% of the color separation magenta is selected, then it is printed in a defined ratio to the part as a dot matrix and partly as a line screen.
- Splits of 15% dot matrix and 15% line raster are possible, but also, for example, 20% dot raster, 10% line raster or 19% dot raster and 11% line raster or the like.
- This division of the shares is defined and designated as a cryptic key. Depending on this key, the distribution of the color separation on dot or line grid takes place. As a result, the motif is an encrypted information deposited.
- linear division of the color separation (the color separation) is made, but a region-wise fixed division and the associated allocation of the density values of the individual raster separations.
- FIG. 1 such a division is shown.
- Grid 1 corresponds to the dot grid and grid 2 to the line grid.
- a system value of 0 corresponds to a 100% tone surface, a system value of 225 corresponds to a 0% tone surface.
- the separation range in the deep tone range of 100-70% is formed only by a dot matrix (raster 1, 3).
- the cryptic key defines a division into point and line grids (grids 2, 4).
- the implementation in this tone range is not linear.
- the percentage distribution (2) of the halftones between the two dot-line and grid-dot grid forms is defined by a curve function in this area. The frequency and amplitude of the function then form the variables or distribution key that defines the execution of raster 1 and raster 2.
- Such a curve description by system values (1) enables an optimized conversion (smoothing) of the screening.
- the tone value of a raster modified by the curve function is filled in each case by the second raster to form the linear setpoint
- Both raster separations can either be combined into a raster separation. Alternatively, they can be used as independent separations. The coloration of the corresponding separations can then be variable.
- the use and the termination point of the division of the grid and the allocation to each other is determined in a table that is known in the production of only the producer of the package and can be used by this.
- carrier foils are preferably flexible plastic foils, for example of PI, PP, MOPP, PE, PPS, PEEK, PEK, PEI, PSU, PAEK, LCP, PEN, PBT, PET, PA, as the carrier substrate for the film materials provided with the security feature according to the invention.
- PC COC, POM, ABS, PVC in question.
- the carrier films preferably have a thickness of 5 to 700 .mu.m, preferably 8 to 200 .mu.m, more preferably 12 to 50 .mu.m.
- metal foils for example Al, Cu, Sn, Ni, Fe or stainless steel foils with a thickness of 5-200 ⁇ m, preferably 5 to 80 ⁇ m, particularly preferably 5-50 ⁇ m, may also serve as the carrier substrate.
- the films can also be surface-treated, coated or laminated, for example with plastics or varnished.
- carrier substrates also paper or composites with paper, for example, composites with plastics with a basis weight of 20 - 500 g / m 2, preferably 40 - 2 are used 200 g / m.
- the motif is printed on this carrier substrate as described above, with all customary printing processes such as, for example, intaglio, flexographic, screen printing, offset printing and digital printing processes being suitable.
- the security element according to the invention is used in the form of films or labels, in particular on packaging of products, bottles, containers and the like.
Landscapes
- Wrappers (AREA)
- Printing Methods (AREA)
Abstract
Die Erfindung betrifft ein Sicherheitsmerkmal insbesondere für Verpackungen, dadurch gekennzeichnet, dass eine Farbseparation eines definierten farbigen Bereiches eines Motivs durch zwei unterschiedliche Raster, deren Anteil durch einen kryptischen Schlüssel definiert sind, gebildet ist.
Description
Die Erfindung betrifft ein kryptisches morphologisches Sicherheitsmerkmal, das als Sicherheitselement in Wertdokumenten und insbesondere Verpackungen eingesetzt werden kann, sowie Verpackungen, die dieses Sicherheitsmerkmal aufweisen.The invention relates to a cryptic morphological security feature that can be used as a security element in value documents and in particular packaging, and packaging that have this security feature.
Der Fälschungsschutz von Verpackungen, insbesondere bei Markenprodukten, wird mit Zunahme der Fälschungen immer wichtiger.
Erfolgreich am Markt platzierte Verpackungen von Gütern, wie beispielsweise Lebensmitteln, Textilen, Schuhe, elektronische Bauteile oder Produkte und dergleichen sollen durch neue Sicherheitsmerkmale, die erhöhten Schutz vor Fälschungen bieten, jedoch nicht verändert werden, um den Wiedererkennungswert des Produkts oder der Marke nicht zu beeinträchtigen.Anti-counterfeiting of packaging, especially brand name products, is becoming increasingly important as counterfeit products increase.
Successfully placed on the market packaging of goods, such as food, textiles, shoes, electronic components or products and the like should not be changed by new security features that provide increased protection against counterfeiting, so as not to affect the recognition value of the product or the brand ,
Aufgabe der Erfindung war es daher ein Sicherheitsmerkmal bereitzustellen, das in ein bestehendes Design einer Verpackung integriert werden kann, ohne das Design optisch bei Betrachtung mit freiem Auge zur verändern, das jedoch einen erhöhten Fälschungsschutz bietet und bei dem eine Fälschung zweifelsfrei nachgewiesen werden kann. Dabei soll weder die farbliche Gestaltung noch das Motiv des Designs optisch verändert werden.The object of the invention was therefore to provide a security feature that can be integrated into an existing design of packaging, without changing the design optically when viewed with the naked eye, but which offers increased protection against counterfeiting and in which a forgery can be proved beyond doubt. Neither the color scheme nor the motif of the design should be visually changed.
Gegenstand der Erfindung ist daher ein Sicherheitsmerkmal insbesondere für Verpackungen, dadurch gekennzeichnet, dass eine Farbseparation eines definierten farbigen Bereiches eines Motivs durch zwei unterschiedliche Raster, deren Anteil durch einen kryptischen Schlüssel definiert sind, gebildet ist.The subject matter of the invention is therefore a security feature, in particular for packaging, characterized in that a color separation of a defined colored area of a motif is formed by two different rasters whose portion is defined by a cryptic key.
Ein weiterer Gegenstand der Erfindung sind Folienmaterialen, die dieses Sicherheitsmerkmal aufweisen, sowie daraus hergestellte Verpackungen für Produkte.Another object of the invention are film materials having this security feature, as well as packaging made therefrom for products.
Üblicherweise werden farbige Darstellungen auf einem Folienmaterial bzw. auf einer daraus hergestellten Verpackung als Halbtonbild im CYMK-System als Punktraster gedruckt. Es können aber auch einzelne Farben des CYMK-Systems als Spotcolor definiert sein z.B. Magenta als Rot.Usually colored representations are printed on a film material or on a packaging produced therefrom as a halftone image in the CYMK system as a dot matrix. However, individual colors of the CYMK system can also be defined as spot color, e.g. Magenta as red.
Erfindungsgemäß wird nun beispielsweise eine Farbseparation des CYMK-Systems mit zwei unterschiedlichen Rastern dargestellt. So kann erfindungsgemäß diese Farbseparation beispielsweise teilweise als Punktraster und teilweise beispielsweise als Linienraster dargestellt werden. Es sind auch andere Rasterformen möglich, beispielsweise stochastische oder frequenzmodellierte Raster. Es sind dabei alle möglichen Rasterkombinationen denkbar.For example, according to the present invention, a color separation of the CYMK system with two different grids is shown. Thus, according to the invention, this color separation can be represented, for example, partly as a dot matrix and partly as a line raster, for example. Other types of raster are also possible, for example stochastic or frequency-modeled rasters. There are all possible grid combinations conceivable.
Von einem Farbbild, das im CYMK-System aus Cyan, Magenta, Gelb und Schwarz besteht wird einer der Farbauszüge ausgewählt.
Dieser Farbauszug weist Tonwerte von 1 bis 100% auf.One of the color separations is selected from a color image consisting of cyan, magenta, yellow and black in the CYMK system.
This separation has tonal values from 1 to 100%.
Erfindungsgemäß wird ein Tonwert dieses Auszugs in zwei Teile gesplittet. Ein Teil des Tonwertes wird als Punktraster, der zweite Teil des Tonwertes wird als Linienraster gedruckt.According to the invention, a tonal value of this extract is split into two parts. A part of the tonal value is printed as a dot matrix, the second part of the tonal value is printed as a line grid.
Wird beispielsweise ein Tonwert von 30% des Farbauszugs Magenta ausgewählt, so wird dieser in einem definierten Verhältnis zum Teil als Punktraster und zum Teil als Linienraster gedruckt. Möglich sind dabei Aufteilungen von 15% Punktraster und 15 % Linienraster, aber auch beispielsweise 20 % Punktraster, 10 % Linienraster oder 19 % Punktraster und 11 % Linienraster oder dergleichen.If, for example, a tone value of 30% of the color separation magenta is selected, then it is printed in a defined ratio to the part as a dot matrix and partly as a line screen. Splits of 15% dot matrix and 15% line raster are possible, but also, for example, 20% dot raster, 10% line raster or 19% dot raster and 11% line raster or the like.
Diese Aufteilung der Anteile wird als kryptischer Schlüssel definiert und bezeichnet. In Abhängigkeit dieses Schlüssels erfolgt die Verteilung des Farbauszugs auf Punkt- bzw. Linienraster. Dadurch wird dem Motiv eine verschlüsselte Information hinterlegt.This division of the shares is defined and designated as a cryptic key. Depending on this key, the distribution of the color separation on dot or line grid takes place. As a result, the motif is an encrypted information deposited.
In einer weiteren Ausführungsform wird nicht eine, wie oben beschrieben, lineare Aufteilung der Farbseparation (des Farbauszugs) vorgenommen, sondern eine bereichsweise festgelegte Aufteilung und die damit auch verbundene Zuordnung der Dichtewerte der einzelnen Rasterseparationen.In a further embodiment, not a, as described above, linear division of the color separation (the color separation) is made, but a region-wise fixed division and the associated allocation of the density values of the individual raster separations.
In
Raster 1 entspricht dabei dem Punktraster und Raster 2 dem Linienraster.
Ein Systemwert 0 entspricht einer 100% Tonfläche, ein Systemwert von 225 entspricht einer 0% Tonfläche.
A system value of 0 corresponds to a 100% tone surface, a system value of 225 corresponds to a 0% tone surface.
In dem in
Ab dem, Mitteltonbereich, also ab 70% bis etwa 20% wird durch den kryptischen Schlüssel eine Aufteilung in Punkt- und Linienraster (Raster 2, 4) definiert. Die Umsetzung in diesem Tonbereich ist nicht linear. Die prozentuale Aufteilung (2) der Rastertöne zwischen den beiden Rasterformen Punkt- und Linienraster, wird durch eine Kurvenfunktion in diesem Bereich definiert. Die Frequenz sowie die Amplitude der Funktion bilden dann die Variablen bzw. dem Verteilungsschlüssel, der die Ausführung der Raster 1 und Raster 2 definiert.In the in
From the, midrange, ie from 70% to about 20%, the cryptic key defines a division into point and line grids (
Eine derartige Kurvenbeschreibung durch Systemwerte (1) ermöglicht eine optimierte Umsetzung (Glättung) der Rasterung. Der durch die Kurvenfunktion veränderte Tonwert eines Rasters wird durch den zweiten Raster jeweils zum linearen Sollwert aufgefülltSuch a curve description by system values (1) enables an optimized conversion (smoothing) of the screening. The tone value of a raster modified by the curve function is filled in each case by the second raster to form the linear setpoint
Beide Rasterseparationen können entweder zu einem Rasterauszug zusammengelegt werden. Alternativ können sie als eigenständige Separationen verwendet werden. Dabei kann dann die Färbung der entsprechenden Separationen variabel sein.Both raster separations can either be combined into a raster separation. Alternatively, they can be used as independent separations. The coloration of the corresponding separations can then be variable.
Im Lichterbereich der Farbseparation im Bereich von 20% bis 0% erfolgt die Separationsmodulation wieder alleine durch den Punktrasterdruck.
Bei anderen Raster- oder Schlüsselkombinationen sind andere Zuordnungsbereiche zu definieren.In the light area of the color separation in the range from 20% to 0%, the separation modulation again takes place solely by means of the dot matrix printing.
For other raster or key combinations, different ranges of assignment must be defined.
Ferner ist es erfindungsgemäß möglich eine Aufteilung der Skalenfarben des CMYK -Systems vorzunehmen, beispielsweise Cyan-Light/Cyan oder Magenta-Light/Magenta. Dadurch ist eine optimierte Farbumsetzung für spezielle Anwendungszwecke möglich.
Eine Fälschung ist bei einer derartigen Ausführungsform aufgrund der Komplexität der Aufteilung in Punkt- und Strichraster nahezu unmöglich.Furthermore, it is possible according to the invention to perform a division of the scale colors of the CMYK system, for example cyan-light / cyan or magenta-light / magenta. As a result, an optimized color conversion for special applications is possible.
Counterfeiting is almost impossible in such an embodiment because of the complexity of the split in dot and dash rasters.
Damit ist der Einsatz- und der Abschlusspunkt der Aufteilung der Raster und die Zuteilung zueinander in einer Tabelle festgelegt, die in der Herstellung nur dem Erzeuger der Verpackung bekannt ist und von diesem genutzt werden kann.Thus, the use and the termination point of the division of the grid and the allocation to each other is determined in a table that is known in the production of only the producer of the package and can be used by this.
Dadurch wird die Fälschungssicherheit des Folienmaterials bzw. der Verpackung deutlich erhöht.As a result, the security against forgery of the film material or the packaging is significantly increased.
Als Trägersubstrat für die, mit dem erfindungsgemäßen Sicherheitsmerkmal versehenen Folienmaterialen kommen beispielsweise Trägerfolien vorzugsweise flexible Kunststofffolien, beispielsweise aus PI, PP, MOPP, PE, PPS, PEEK, PEK, PEI, PSU, PAEK, LCP, PEN, PBT, PET, PA, PC, COC, POM, ABS, PVC in Frage. Die Trägerfolien weisen vorzugsweise eine Dicke von 5 - 700 µm, bevorzugt 8 - 200 µm, besonders bevorzugt 12 - 50 µm auf.For example, carrier foils are preferably flexible plastic foils, for example of PI, PP, MOPP, PE, PPS, PEEK, PEK, PEI, PSU, PAEK, LCP, PEN, PBT, PET, PA, as the carrier substrate for the film materials provided with the security feature according to the invention. PC, COC, POM, ABS, PVC in question. The carrier films preferably have a thickness of 5 to 700 .mu.m, preferably 8 to 200 .mu.m, more preferably 12 to 50 .mu.m.
Ferner können als Trägersubstrat auch Metallfolien, beispielsweise Al-, Cu-, Sn-, Ni-, Fe- oder Edelstahlfolien mit einer Dicke von 5 - 200 µm, vorzugsweise 5 bis 80 µm, besonders bevorzugt 5- 50 µm dienen. Die Folien können auch oberflächenbehandelt, beschichtet oder kaschiert, beispielsweise mit Kunststoffen oder lackiert sein.Furthermore, metal foils, for example Al, Cu, Sn, Ni, Fe or stainless steel foils with a thickness of 5-200 μm, preferably 5 to 80 μm, particularly preferably 5-50 μm, may also serve as the carrier substrate. The films can also be surface-treated, coated or laminated, for example with plastics or varnished.
Ferner können als Trägersubstrate auch Papier oder Verbunde mit Papier, beispielsweise Verbunde mit Kunststoffen mit einem Flächengewicht von 20 - 500 g/m2, vorzugsweise 40 - 200 g/m2 verwendet werden.Further, as carrier substrates also paper or composites with paper, for example, composites with plastics with a basis weight of 20 - 500 g / m 2, preferably 40 - 2 are used 200 g / m.
Das Motiv, wird wie oben beschrieben auf diesem Trägersubstrat aufgedruckt, wobei alle üblichen Druckverfahren, wie beispielsweise Tiefdruck-, Flexodruck-, Siebdruck-, Offsetdruck-, Digitaldruckverfahren in Frage kommen.The motif is printed on this carrier substrate as described above, with all customary printing processes such as, for example, intaglio, flexographic, screen printing, offset printing and digital printing processes being suitable.
Das erfindungsgemäße Sicherheitselement wird in Form von Folien oder Etiketten insbesondere auf Verpackungen von Produkten, Flaschen, Container und dergleichen verwendet.The security element according to the invention is used in the form of films or labels, in particular on packaging of products, bottles, containers and the like.
Claims (8)
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP17001429.4A EP3446884B1 (en) | 2017-08-24 | 2017-08-24 | Cryptographic morphological security feature |
| PCT/EP2018/000343 WO2019037886A1 (en) | 2017-08-24 | 2018-07-05 | Cryptic morphologic safety feature |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP17001429.4A EP3446884B1 (en) | 2017-08-24 | 2017-08-24 | Cryptographic morphological security feature |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP3446884A1 true EP3446884A1 (en) | 2019-02-27 |
| EP3446884B1 EP3446884B1 (en) | 2020-10-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP17001429.4A Active EP3446884B1 (en) | 2017-08-24 | 2017-08-24 | Cryptographic morphological security feature |
Country Status (2)
| Country | Link |
|---|---|
| EP (1) | EP3446884B1 (en) |
| WO (1) | WO2019037886A1 (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4402723A1 (en) * | 1994-01-29 | 1995-08-03 | Dmc Design Marketing Communica | Half-tone image reproduction method e.g. for DTP |
| EP0720350A2 (en) * | 1994-12-28 | 1996-07-03 | Fuji Photo Film Co., Ltd. | Method of recording an image |
| DE10018316C1 (en) * | 2000-04-13 | 2001-10-18 | Galaxy Media Syst Werbemittel | Multiple printing method for transparent material has over-printing of similar ink colors used for providing high color intensity image |
| DE102005027068A1 (en) * | 2005-06-11 | 2006-12-14 | Man Roland Druckmaschinen Ag | Raster method, e.g. for multicolor printing, involves analyzing print image in color separations for printing colors, and using amplitude modulated rastering for one separation and frequency modulated rastering for other separations |
-
2017
- 2017-08-24 EP EP17001429.4A patent/EP3446884B1/en active Active
-
2018
- 2018-07-05 WO PCT/EP2018/000343 patent/WO2019037886A1/en active Application Filing
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4402723A1 (en) * | 1994-01-29 | 1995-08-03 | Dmc Design Marketing Communica | Half-tone image reproduction method e.g. for DTP |
| EP0720350A2 (en) * | 1994-12-28 | 1996-07-03 | Fuji Photo Film Co., Ltd. | Method of recording an image |
| DE10018316C1 (en) * | 2000-04-13 | 2001-10-18 | Galaxy Media Syst Werbemittel | Multiple printing method for transparent material has over-printing of similar ink colors used for providing high color intensity image |
| DE102005027068A1 (en) * | 2005-06-11 | 2006-12-14 | Man Roland Druckmaschinen Ag | Raster method, e.g. for multicolor printing, involves analyzing print image in color separations for printing colors, and using amplitude modulated rastering for one separation and frequency modulated rastering for other separations |
Also Published As
| Publication number | Publication date |
|---|---|
| EP3446884B1 (en) | 2020-10-28 |
| WO2019037886A1 (en) | 2019-02-28 |
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