WO1993022745A1 - Detection de contrefaçons a l'aide de codes d'identification contenant des zones de chiffres aleatoires - Google Patents

Detection de contrefaçons a l'aide de codes d'identification contenant des zones de chiffres aleatoires Download PDF

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Publication number
WO1993022745A1
WO1993022745A1 PCT/US1992/003911 US9203911W WO9322745A1 WO 1993022745 A1 WO1993022745 A1 WO 1993022745A1 US 9203911 W US9203911 W US 9203911W WO 9322745 A1 WO9322745 A1 WO 9322745A1
Authority
WO
WIPO (PCT)
Prior art keywords
information
authorized
objects
identifying information
read
Prior art date
Application number
PCT/US1992/003911
Other languages
English (en)
Inventor
Leonard Storch
Ernst Van Haagen
Original Assignee
Cias, Inc.
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Cias, Inc. filed Critical Cias, Inc.
Priority to EP92911723A priority Critical patent/EP0647342B1/fr
Priority to DE69232519T priority patent/DE69232519D1/de
Priority to PCT/US1992/003911 priority patent/WO1993022745A1/fr
Priority to AU18959/92A priority patent/AU1895992A/en
Publication of WO1993022745A1 publication Critical patent/WO1993022745A1/fr

Links

Classifications

    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07F—COIN-FREED OR LIKE APPARATUS
    • G07F7/00—Mechanisms actuated by objects other than coins to free or to actuate vending, hiring, coin or paper currency dispensing or refunding apparatus
    • G07F7/08—Mechanisms actuated by objects other than coins to free or to actuate vending, hiring, coin or paper currency dispensing or refunding apparatus by coded identity card or credit card or other personal identification means
    • 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
    • G07D7/004—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 digital security elements, e.g. information coded on a magnetic thread or strip
    • G07D7/0047—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 digital security elements, e.g. information coded on a magnetic thread or strip using checkcodes, e.g. coded numbers derived from serial number and denomination
    • 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
    • G07D7/004—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 digital security elements, e.g. information coded on a magnetic thread or strip
    • 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
    • G07D7/004—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 digital security elements, e.g. information coded on a magnetic thread or strip
    • G07D7/0043—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 digital security elements, e.g. information coded on a magnetic thread or strip using barcodes
    • 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
    • G07D7/06—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 wave or particle radiation
    • G07D7/12—Visible light, infrared or ultraviolet radiation

Definitions

  • an object's identifying serial number may be appended with one or more distinct random portions, positioned to the right of the serial portion, for example, with or without a decimal point (or binary point if binary were being used) or positioned preceding the serial number, or the serial portion may be understood as including one or more random portions, etc.
  • a method of designating at least one of many essentially identical and identifiable objects as authorized comprising: providing a serial number for one such object; and, providing a randomly selected number for this one object; using at least one digit of said serial number and at least one digit of said randomly selected number with an algorithm to calculate another number that cannot be anticipated for said object; and, associating at least one digit of said number that cannot be anticipated with said object.
  • Counterfeit products may be detected by looking for duplicate registra ⁇ tion of normal serial numbers.
  • this procedure leaves something to be desired, because counterfeit cannot be detected via the serial number until two (or more) of the same serial numbers are eventually registered, and even so, when two of the same serial numbers do turn up, an investigation must first be made to determine if one is genuine (as both may be fake) and if so, which one.
  • a counterfeit product is positively detected and the vendor who sold the counterfeit product is identified by the product registrant, it may still be impossible, or cumber ⁇ some at best, to determine if other products in the vendor's stock are also counterfeit.
  • physical examination procedures would likely be "intrusive" and may render examined products unfit for retail sale.
  • serial random number (SRN) shown on the Product Return Card in Fig. 1 is:
  • ID numbers 123456 23 The reason for truncation is described below.
  • Use of such ID numbers on the outside of product packaging makes them readily accessible, and allows a "shopping" service contracted by the product's manufacturer, or an investigator, to read and store bar coded ID numbers from products, e.g., on store shelves, and then send them, for example using a modem, to the manufacturer's system registration computer where the randomly selected portion of the ID numbers read from products can be checked against the stored list of complete authorized ID numbers, so that unauthorized ID numbers from counterfeit products may be detected.
  • counterfeit products may be identified even before customer purchase, and authorities may be put on the trail of the perpetrators sooner. In enforcement proceedings, even good leads can get cold.
  • ID numbers may be useful in some counterfeit detection applications to provide ID numbers verifiable in some fashion in accord with a secret algorithm. For example, this may be accomplished according to applicants' invention as described above, i.e., to append to a serial number one or more distinct portions that conform to one or more respective secret codes. Such portions may be called secret code fields. In addition, random fields may or may not also be appended to the ID number.
  • the dual mode setting for reading bar codes may operate as foUows: when a mode selector switch is set to the dual mode position, the switch could clamp the signal that would normally indicate the completion of one bar code reading until a second signal indicates the completion of a second reading of another bar code symbol. Then, with both signals present, each indicating a completed reading of a respective bar code symbol, the clamp may be lifted (undamped) allowing the beep to sound and/or the indicator light to be iighted, thus indicating that both bar code symbols had been read in this dual mode setting.
  • Other operations could also be accompUshed before an indication of the end of a reading operation, e.g., price look-up, inventory list augmentation, authenticity check, date check, comparison to lists of ID numbers being sought by enforcement authorities, etc.
  • ID numbers from Baby Safe Formula are read at a check out counter and sent to the supermarket's computer, their expiration dates may be looked up, and/or authenticity may be checked (in real time or in a nocturnal batch processing operation, using the common communication and counterfeit product computer system facilities mentioned above) and/or various lists may be checked (price, inventory, stolen goods, counterfeit with repeated ID numbers, contaminated goods, etc.) etc.
  • Scanning apparatus with automatic dual mode setting may be adjusted to work as follows: in automatic dual mode position the scan lines always go past the first bar code symbol encountered at least a fixed amount of, say effectively, 1/2 inch distance (this 1/2 inch being greater than what would otherwise be required for the quiet zone, as described). For example, referring back to Fig. 3, if during an automatic dual mode setting reading operation, scan lines came from the right and encountered the complete UPC symbol, the scan Unes would continue at least 1/2 inch past the left end of the UPC symbol, traversing past the complete 3/8 inch space shown in Fig. 3, so that at least 1/8 inch part of the ID number symbol to the left of the UPC symbol is also encountered.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Credit Cards Or The Like (AREA)

Abstract

Des contrefaçons, telles que des produits ou des documents, peuvent être détectées par vérification des numéros d'identification associés qui comprennent une ou plusieurs zones ajoutées d'un ou plusieurs chiffres choisis de façon aléatoire, dans une base de données contenant les numéros d'identification autorisés corrects. Grâce au recours à la sélection aléatoire, il est impossible pour les faussaires de prédire ou d'anticiper efficacement des numéros d'identification corrects. Par exemple, en utilisant des numéros d'identification à code à barres avec deux zones distinctes supplémentaires de numéros choisis de façon aléatoire, au lieu des numéros de série classiques, les contrefaçons peuvent être détectées facilement et directement, ou bien à l'étalage du grossiste ou du vendeur à l'aide d'un numéro d'identification extérieur tronqué que l'on trouve sur l'emballage du produit, ou, par exemple, à réception d'une carte d'enregistrement du produit appartenant au client, sur laquelle se trouve le numéro d'identification intérieur complet, ce numéro d'identification intérieur complet ayant été soustrait à un examen attentif fortuit pendant la distribution du produit. Si des numéros d'identification autorisés sont répétés par les faussaires, des listes de numéros faux sont établies et utilisées en vue de la détection immédiate des contrefaçons.
PCT/US1992/003911 1992-05-06 1992-05-06 Detection de contrefaçons a l'aide de codes d'identification contenant des zones de chiffres aleatoires WO1993022745A1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
EP92911723A EP0647342B1 (fr) 1992-05-06 1992-05-06 Detection de contrefacons a l'aide de codes d'identification contenant des zones de chiffres aleatoires
DE69232519T DE69232519D1 (de) 1992-05-06 1992-05-06 Fälschungs - festellung unter verwendung von zufallzahlen für die identifikationsnummern
PCT/US1992/003911 WO1993022745A1 (fr) 1992-05-06 1992-05-06 Detection de contrefaçons a l'aide de codes d'identification contenant des zones de chiffres aleatoires
AU18959/92A AU1895992A (en) 1992-05-06 1992-05-06 Counterfeit detection using random number field IDs

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/US1992/003911 WO1993022745A1 (fr) 1992-05-06 1992-05-06 Detection de contrefaçons a l'aide de codes d'identification contenant des zones de chiffres aleatoires

Publications (1)

Publication Number Publication Date
WO1993022745A1 true WO1993022745A1 (fr) 1993-11-11

Family

ID=22231062

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US1992/003911 WO1993022745A1 (fr) 1992-05-06 1992-05-06 Detection de contrefaçons a l'aide de codes d'identification contenant des zones de chiffres aleatoires

Country Status (4)

Country Link
EP (1) EP0647342B1 (fr)
AU (1) AU1895992A (fr)
DE (1) DE69232519D1 (fr)
WO (1) WO1993022745A1 (fr)

Cited By (30)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1999004364A1 (fr) * 1997-07-21 1999-01-28 Assure Systems, Inc. Erification de l'authenticite d'articles au moyen de nombres aleatoires
EP0957459A1 (fr) * 1998-05-12 1999-11-17 Orell Füssli Graphische Betriebe AG Méthode et dispositif pour vérifier le droit de propriété d'objets
NL1010552C2 (nl) * 1998-11-13 2000-05-16 Koninkl Kpn Nv Werkwijze voor het verschaffen van een betalingsbewijs voor een te leveren dienst, alsmede stelsel voor het controleren van betalingsbewijzen.
NL1010722C2 (nl) * 1998-12-04 2000-06-06 Ruiten Theodorus H M Werkwijze en beveiligingssysteem voor het vaststellen van de identiteit van waarde-voorwerpen.
WO2001015097A1 (fr) * 1999-08-25 2001-03-01 Giesecke & Devrient Gmbh Procede de garantie produit
EP1139259A1 (fr) * 2000-03-30 2001-10-04 Fujitsu Limited Méthode, appareil et programme de gestion du nombre de transactions dans le négoce de matières premières en réseau
WO2002013150A1 (fr) * 2000-08-04 2002-02-14 De La Rue International Limited Système et procédés de surveillance d'articles
EP1204078A1 (fr) * 2000-11-02 2002-05-08 Orell Füssli Security Documents AG Procédé pour vérifier l'authenticité d'articles
WO2003007252A1 (fr) * 2001-06-20 2003-01-23 Kezzler As Procede permettant de generer des informations d'authentification et utilisation dudit procede
WO2003036556A2 (fr) * 2001-10-25 2003-05-01 Koninklijke Philips Electronics N.V. Procede et systeme d'authentification d'un produit emballe
FR2831695A1 (fr) * 2001-10-31 2003-05-02 Catherine Bouthiaux Procede de tracabilite et d'authentification de produits a haute valeur ajoutee et/ou sensibles
US6681214B1 (en) 1999-06-29 2004-01-20 Assure Systems, Inc. Secure system for printing authenticating digital signatures
EP1454291A1 (fr) * 2001-12-11 2004-09-08 Tagsys Australia Pty Ltd Systemes d'etiquetage de donnees securises
EP1540566A1 (fr) * 2002-07-23 2005-06-15 Cummins-Allison Corporation Systeme et procede de traitement de billets de banque et de documents portant des codes a barres dans un dispositif de traitement de documents
WO2005083644A1 (fr) * 2004-03-02 2005-09-09 Stikker.Com Bv Procede et systeme permettant de verifier l'authenticite de produits
WO2006097951A1 (fr) * 2005-03-14 2006-09-21 Tnet Limited Systeme electronique de gestion et de controle servant notamment a verifier des articles dotes d’un code d’identification
US7277601B2 (en) 2000-06-21 2007-10-02 The Ascent Group Limited Remote authentication system
WO2007111569A1 (fr) * 2006-03-29 2007-10-04 Trackway Oy Etude d'authenticite conviviale
EP1852837A1 (fr) * 2006-05-05 2007-11-07 Nahro Oktay Procédé destiné à l'authentification d'un produit
EP1947592A1 (fr) * 2007-01-19 2008-07-23 Multitel ASBL Procédé et dispositif d'authentification pour protéger les marchandises fabriquées
EP1952336A1 (fr) * 2005-10-26 2008-08-06 Hang Kyung Lee Procede et systeme d'authentification de produits au moyen de nombres ordinaux et de mots de passe sur un reseau de communication
EP2011056A1 (fr) * 2006-04-27 2009-01-07 Arjowiggins Système de lecture d'au moins un code a barres
GB2460625A (en) * 2008-05-14 2009-12-09 Ingenia Holdings Two tier system for validating the authenticity of an article
GB2462029A (en) * 2008-05-14 2010-01-27 Ingenia Holdings A system for tracking an article
EP2383705A1 (fr) 2010-04-30 2011-11-02 MediSeal GmbH Emballage sous blister protégé contre la falsification
WO2012082006A1 (fr) * 2010-12-15 2012-06-21 Perelygin Vladimir Anatolevich Certificat d'identification
US8892556B2 (en) 2009-11-10 2014-11-18 Ingenia Holdings Limited Optimisation
US8896885B2 (en) 2004-03-12 2014-11-25 Ingenia Holdings Limited Creating authenticatable printed articles and subsequently verifying them based on scattered light caused by surface structure
RU168338U1 (ru) * 2014-11-11 2017-01-30 Прайметалз Текнолоджиз Аустриа ГмбХ Держатель для размещения по меньшей мере одной идентификационной бирки и металлургический сосуд с таким держателем, а также идентификационная бирка
US9818249B1 (en) 2002-09-04 2017-11-14 Copilot Ventures Fund Iii Llc Authentication method and system

Families Citing this family (1)

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Publication number Priority date Publication date Assignee Title
WO2013165028A2 (fr) 2012-05-04 2013-11-07 Atambo Patrick Nyachio Systèmes et procédés de localisation et d'authentification d'articles portant des numéros consécutifs

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US3890599A (en) * 1973-09-13 1975-06-17 Command Automation Inc Arrangement for protecting and authenticating a document
US4193061A (en) * 1978-07-11 1980-03-11 Zoltai John T Electronic authentication system
EP0010496A1 (fr) * 1978-10-18 1980-04-30 Michel Marie Chateau Procédé de dialogue entre un ordinateur et un de ses utilisateurs et application de ce procédé aux paiements bancaires analogues
US4558318A (en) * 1980-06-23 1985-12-10 Light Signatures, Inc. Merchandise verification and information system
US4463250A (en) * 1981-07-11 1984-07-31 Mcneight David L Method and apparatus for use against counterfeiting
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Cited By (44)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6442276B1 (en) 1997-07-21 2002-08-27 Assure Systems, Inc. Verification of authenticity of goods by use of random numbers
US7283630B1 (en) 1997-07-21 2007-10-16 Assure Systems, Inc. Verification of authenticity of goods by use of random numbers
WO1999004364A1 (fr) * 1997-07-21 1999-01-28 Assure Systems, Inc. Erification de l'authenticite d'articles au moyen de nombres aleatoires
EP0957459A1 (fr) * 1998-05-12 1999-11-17 Orell Füssli Graphische Betriebe AG Méthode et dispositif pour vérifier le droit de propriété d'objets
NL1010552C2 (nl) * 1998-11-13 2000-05-16 Koninkl Kpn Nv Werkwijze voor het verschaffen van een betalingsbewijs voor een te leveren dienst, alsmede stelsel voor het controleren van betalingsbewijzen.
WO2000030045A1 (fr) * 1998-11-13 2000-05-25 Koninklijke Kpn N.V. Fourniture d'un bon pour service a fournir, et systeme de controle des bons
NL1010722C2 (nl) * 1998-12-04 2000-06-06 Ruiten Theodorus H M Werkwijze en beveiligingssysteem voor het vaststellen van de identiteit van waarde-voorwerpen.
WO2000034928A1 (fr) * 1998-12-04 2000-06-15 Ruiten Theodorus Hubertus Mari Procede et systeme securise permettant de determiner l'identite d'objets de valeur
US6681214B1 (en) 1999-06-29 2004-01-20 Assure Systems, Inc. Secure system for printing authenticating digital signatures
WO2001015097A1 (fr) * 1999-08-25 2001-03-01 Giesecke & Devrient Gmbh Procede de garantie produit
EP1139259A1 (fr) * 2000-03-30 2001-10-04 Fujitsu Limited Méthode, appareil et programme de gestion du nombre de transactions dans le négoce de matières premières en réseau
US7684652B2 (en) 2000-06-21 2010-03-23 The Ascent Group Remote authentication system
US7277601B2 (en) 2000-06-21 2007-10-02 The Ascent Group Limited Remote authentication system
WO2002013150A1 (fr) * 2000-08-04 2002-02-14 De La Rue International Limited Système et procédés de surveillance d'articles
EP1204078A1 (fr) * 2000-11-02 2002-05-08 Orell Füssli Security Documents AG Procédé pour vérifier l'authenticité d'articles
WO2003007252A1 (fr) * 2001-06-20 2003-01-23 Kezzler As Procede permettant de generer des informations d'authentification et utilisation dudit procede
WO2003036556A3 (fr) * 2001-10-25 2004-12-29 Koninkl Philips Electronics Nv Procede et systeme d'authentification d'un produit emballe
WO2003036556A2 (fr) * 2001-10-25 2003-05-01 Koninklijke Philips Electronics N.V. Procede et systeme d'authentification d'un produit emballe
WO2003038767A1 (fr) * 2001-10-31 2003-05-08 Catherine Bouthiaux Procede de tracabilite et d'authentification de produits
FR2831695A1 (fr) * 2001-10-31 2003-05-02 Catherine Bouthiaux Procede de tracabilite et d'authentification de produits a haute valeur ajoutee et/ou sensibles
EP1454291A4 (fr) * 2001-12-11 2005-08-17 Tagsys Sa Systemes d'etiquetage de donnees securises
EP1454291A1 (fr) * 2001-12-11 2004-09-08 Tagsys Australia Pty Ltd Systemes d'etiquetage de donnees securises
US7187267B2 (en) 2001-12-11 2007-03-06 Tagsys Australia Pty Ltd. Secure data tagging systems
EP1540566A4 (fr) * 2002-07-23 2008-04-09 Cummins Allison Corp Systeme et procede de traitement de billets de banque et de documents portant des codes a barres dans un dispositif de traitement de documents
EP1540566A1 (fr) * 2002-07-23 2005-06-15 Cummins-Allison Corporation Systeme et procede de traitement de billets de banque et de documents portant des codes a barres dans un dispositif de traitement de documents
US9818249B1 (en) 2002-09-04 2017-11-14 Copilot Ventures Fund Iii Llc Authentication method and system
WO2005083644A1 (fr) * 2004-03-02 2005-09-09 Stikker.Com Bv Procede et systeme permettant de verifier l'authenticite de produits
US9019567B2 (en) 2004-03-12 2015-04-28 Ingenia Holdings Limited Methods and apparatuses for creating authenticatable printed articles and subsequently verifying them
US8896885B2 (en) 2004-03-12 2014-11-25 Ingenia Holdings Limited Creating authenticatable printed articles and subsequently verifying them based on scattered light caused by surface structure
WO2006097951A1 (fr) * 2005-03-14 2006-09-21 Tnet Limited Systeme electronique de gestion et de controle servant notamment a verifier des articles dotes d’un code d’identification
EP1952336A1 (fr) * 2005-10-26 2008-08-06 Hang Kyung Lee Procede et systeme d'authentification de produits au moyen de nombres ordinaux et de mots de passe sur un reseau de communication
EP1952336A4 (fr) * 2005-10-26 2011-05-18 Hang Kyung Lee Procede et systeme d'authentification de produits au moyen de nombres ordinaux et de mots de passe sur un reseau de communication
WO2007111569A1 (fr) * 2006-03-29 2007-10-04 Trackway Oy Etude d'authenticite conviviale
EP2011056A1 (fr) * 2006-04-27 2009-01-07 Arjowiggins Système de lecture d'au moins un code a barres
EP1852837A1 (fr) * 2006-05-05 2007-11-07 Nahro Oktay Procédé destiné à l'authentification d'un produit
EP1947592A1 (fr) * 2007-01-19 2008-07-23 Multitel ASBL Procédé et dispositif d'authentification pour protéger les marchandises fabriquées
GB2460625B (en) * 2008-05-14 2010-05-26 Ingenia Holdings Two tier authentication
GB2462029B (en) * 2008-05-14 2010-08-25 Ingenia Holdings Tracking of an Article
GB2462029A (en) * 2008-05-14 2010-01-27 Ingenia Holdings A system for tracking an article
GB2460625A (en) * 2008-05-14 2009-12-09 Ingenia Holdings Two tier system for validating the authenticity of an article
US8892556B2 (en) 2009-11-10 2014-11-18 Ingenia Holdings Limited Optimisation
EP2383705A1 (fr) 2010-04-30 2011-11-02 MediSeal GmbH Emballage sous blister protégé contre la falsification
WO2012082006A1 (fr) * 2010-12-15 2012-06-21 Perelygin Vladimir Anatolevich Certificat d'identification
RU168338U1 (ru) * 2014-11-11 2017-01-30 Прайметалз Текнолоджиз Аустриа ГмбХ Держатель для размещения по меньшей мере одной идентификационной бирки и металлургический сосуд с таким держателем, а также идентификационная бирка

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EP0647342A1 (fr) 1995-04-12
EP0647342B1 (fr) 2002-03-27
DE69232519D1 (de) 2002-05-02
EP0647342A4 (fr) 1995-09-06
AU1895992A (en) 1993-11-29

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