DE3000560C2 - Verfahren zur Echtheitsprüfung eines Datenträgers und Vorrichtung zur Durchführung des Verfahrens - Google Patents
Verfahren zur Echtheitsprüfung eines Datenträgers und Vorrichtung zur Durchführung des VerfahrensInfo
- Publication number
- DE3000560C2 DE3000560C2 DE3000560A DE3000560A DE3000560C2 DE 3000560 C2 DE3000560 C2 DE 3000560C2 DE 3000560 A DE3000560 A DE 3000560A DE 3000560 A DE3000560 A DE 3000560A DE 3000560 C2 DE3000560 C2 DE 3000560C2
- Authority
- DE
- Germany
- Prior art keywords
- data
- data carrier
- characteristic
- recorded
- track
- 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.)
- Expired
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
- G07F7/086—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 by passive credit-cards adapted therefor, e.g. constructive particularities to avoid counterfeiting, e.g. by inclusion of a physical or chemical security-layer
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K1/00—Methods or arrangements for marking the record carrier in digital fashion
- G06K1/12—Methods or arrangements for marking the record carrier in digital fashion otherwise than by punching
- G06K1/121—Methods or arrangements for marking the record carrier in digital fashion otherwise than by punching by printing code marks
-
- 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
- G06K19/08—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 using markings of different kinds or more than one marking of the same kind in the same record carrier, e.g. one marking being sensed by optical and the other by magnetic means
- G06K19/10—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 using markings of different kinds or more than one marking of the same kind in the same record carrier, e.g. one marking being sensed by optical and the other by magnetic means at least one kind of marking being used for authentication, e.g. of credit or identity cards
-
- 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
- G06K19/08—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 using markings of different kinds or more than one marking of the same kind in the same record carrier, e.g. one marking being sensed by optical and the other by magnetic means
- G06K19/10—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 using markings of different kinds or more than one marking of the same kind in the same record carrier, e.g. one marking being sensed by optical and the other by magnetic means at least one kind of marking being used for authentication, e.g. of credit or identity cards
- G06K19/14—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 using markings of different kinds or more than one marking of the same kind in the same record carrier, e.g. one marking being sensed by optical and the other by magnetic means at least one kind of marking being used for authentication, e.g. of credit or identity cards the marking being sensed by radiation
-
- 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
- G07F7/12—Card verification
- G07F7/125—Offline card verification
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Computer Security & Cryptography (AREA)
- Credit Cards Or The Like (AREA)
- Signal Processing For Digital Recording And Reproducing (AREA)
- Inspection Of Paper Currency And Valuable Securities (AREA)
- Financial Or Insurance-Related Operations Such As Payment And Settlement (AREA)
- Collating Specific Patterns (AREA)
Description
Claims (4)
Priority Applications (25)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19803050473 DE3050473C2 (de) | 1980-01-09 | 1980-01-09 | Verfahren zur Echtheitsprüfung eines Datenträgers u. Vorrichtung z. Durchführung des Verfahrens |
DE3000560A DE3000560C2 (de) | 1980-01-09 | 1980-01-09 | Verfahren zur Echtheitsprüfung eines Datenträgers und Vorrichtung zur Durchführung des Verfahrens |
CA000366692A CA1216067A (en) | 1980-01-09 | 1980-12-12 | Method and device for characterizing and identifying falsification-proof data supports |
AU65338/80A AU542209B2 (en) | 1980-01-09 | 1980-12-12 | Characterizing and identifying falsification-proof data supports |
GB8040728A GB2067322B (en) | 1980-01-09 | 1980-12-19 | Method and device for characterizing and identifying falsification-proof data supports |
FR8027241A FR2473758B1 (fr) | 1980-01-09 | 1980-12-22 | Procede et dispositif pour caracteriser et identifier des supports de donnees non falsifiables |
JP18939880A JPS56108172A (en) | 1980-01-09 | 1980-12-26 | Data support characterizing method* its identifying method* data support used for executing same* and its identity judgment device |
CS8161A CS242865B2 (en) | 1980-01-09 | 1981-01-05 | Identifier with data carrier in of a card |
NL8100027A NL8100027A (nl) | 1980-01-09 | 1981-01-06 | Werkwijze en inrichting voor het karakteriseren en identificeren van tegen vervalsing beveiligde informatiedragers. |
BR8100070A BR8100070A (pt) | 1980-01-09 | 1981-01-07 | Processo para distincao e identificacao de impressos de dados, instalacao de identificacao para a realizacao do processo e impresso de dados |
HU81490A HU187857B (en) | 1980-01-09 | 1981-01-08 | Method and apparatus for marking and identofying imitationproof data carrirers |
CH2844/84A CH651687A5 (de) | 1980-01-09 | 1981-01-08 | Verfahren und vorrichtung zur echtheitspruefung eines datentraegers, z.b. einer kreditkarte. |
SE8100051A SE8100051L (sv) | 1980-01-09 | 1981-01-08 | Sett och anordning for karakterisering och identifiering av databerare |
CH90/81A CH650872A5 (de) | 1980-01-09 | 1981-01-08 | Nachahmungssicherer datentraeger sowie verfahren und vorrichtung zum herstellen und identifizieren desselben. |
HU8145A HU184365B (en) | 1980-01-09 | 1981-01-08 | Method for making imitationproof data carrier,as well as,method and apparatus fto identify the data carrier |
ES498421A ES8204194A1 (es) | 1980-01-09 | 1981-01-09 | Procedimiento y dispositivo para caracterizar e identificar soportes de datos a prueba de imitaciones |
DD81226914A DD157029A5 (de) | 1980-01-09 | 1981-01-09 | Identifizierung von nachahmungssicheren datentraegern |
YU00035/81A YU3581A (en) | 1980-01-09 | 1981-01-09 | Arrangement for the indentification of a data carrier secured against imitation |
IT67013/81A IT1221815B (it) | 1980-01-09 | 1981-01-09 | Procedimento e dispositivo per con trassegnare e identificare documenti con dati di cui non sia possibile la contraffazione |
US06/414,645 US4450348A (en) | 1980-01-09 | 1982-09-03 | Method and device for characterizing and identifying falsification proof data boards |
GB08324383A GB2136180B (en) | 1980-01-09 | 1983-09-12 | Method and device for characterizing and identifying falsification-proof data supports |
US06/577,861 US4816657A (en) | 1980-01-09 | 1984-02-07 | Method and device for characterizing and identifying falsification-proof data supports |
NL8401936A NL8401936A (nl) | 1980-01-09 | 1984-06-18 | Werkwijze en inrichting voor het op echtheid controleren van een informatiedrager. |
JP62032297A JPS6324383A (ja) | 1980-01-09 | 1987-02-14 | デ−タサポ−トを特徴化する方法およびその同一性を判定する方法とそれ等の方法の実施に使用されるデ−タサポ−トおよびその同一性を判定する装置 |
FR8711845A FR2602604A1 (fr) | 1980-01-09 | 1987-08-24 | Procede et dispositif pour caracteriser et identifier des supports de donnees non falsifiables |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE3000560A DE3000560C2 (de) | 1980-01-09 | 1980-01-09 | Verfahren zur Echtheitsprüfung eines Datenträgers und Vorrichtung zur Durchführung des Verfahrens |
Publications (2)
Publication Number | Publication Date |
---|---|
DE3000560A1 DE3000560A1 (de) | 1981-09-03 |
DE3000560C2 true DE3000560C2 (de) | 1986-10-09 |
Family
ID=6091723
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE3000560A Expired DE3000560C2 (de) | 1980-01-09 | 1980-01-09 | Verfahren zur Echtheitsprüfung eines Datenträgers und Vorrichtung zur Durchführung des Verfahrens |
Country Status (17)
Country | Link |
---|---|
US (2) | US4450348A (de) |
JP (2) | JPS56108172A (de) |
AU (1) | AU542209B2 (de) |
BR (1) | BR8100070A (de) |
CA (1) | CA1216067A (de) |
CH (2) | CH651687A5 (de) |
CS (1) | CS242865B2 (de) |
DD (1) | DD157029A5 (de) |
DE (1) | DE3000560C2 (de) |
ES (1) | ES8204194A1 (de) |
FR (1) | FR2602604A1 (de) |
GB (2) | GB2067322B (de) |
HU (2) | HU184365B (de) |
IT (1) | IT1221815B (de) |
NL (2) | NL8100027A (de) |
SE (1) | SE8100051L (de) |
YU (1) | YU3581A (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7792522B1 (en) | 2006-01-13 | 2010-09-07 | Positive Access Corporation | Software key control for mobile devices |
Families Citing this family (48)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2858266C2 (de) * | 1978-07-06 | 1991-08-29 | Gao Gesellschaft Fuer Automation Und Organisation Mbh, 8000 Muenchen, De | |
AU6997681A (en) * | 1980-05-09 | 1981-11-12 | Allegheny Ludlum Steel Corp. | Nozzle |
US4546352A (en) * | 1980-06-23 | 1985-10-08 | Light Signatures, Inc. | Non-counterfeitable document system |
US4663622A (en) * | 1980-06-23 | 1987-05-05 | Light Signatures, Inc. | Non-counterfeitable document system |
US4675669A (en) * | 1980-06-23 | 1987-06-23 | Light Signatures, Inc. | System of issuing secure documents of various denomination |
US4656473A (en) * | 1984-10-04 | 1987-04-07 | Light Signatures, Inc. | Secure card and sensing system |
DE3038602C2 (de) * | 1980-10-13 | 1986-09-25 | COPYTEX GmbH Sicherheitssysteme, 7730 Villingen-Schwenningen | Verfahren zum Erkennen der Echtheit eines Datenträgers |
US4661983A (en) * | 1982-10-05 | 1987-04-28 | Rca Corporation | Secure document identification technique |
FR2536885B1 (fr) * | 1982-11-25 | 1985-06-07 | Peripheriques Materiels Contro | Procede pour proteger contre la fraude des formulaires authentifies ainsi que formulaires pour sa mise en oeuvre et procede pour leur fabrication |
JPS60128592A (ja) * | 1983-12-16 | 1985-07-09 | グローリー工業株式会社 | 小切手カ−ドによる小切手流通システム及び小切手カ−ド発行装置 |
GB8333743D0 (en) * | 1983-12-19 | 1984-01-25 | Forman & Sons Ltd Thomas | Integrity device |
JPS60164867A (ja) * | 1984-02-06 | 1985-08-27 | Glory Ltd | 小切手カ−ド自動発行装置 |
EP0158167A3 (en) * | 1984-03-21 | 1988-05-18 | Atalla Corporation | Document security system, method and apparatus |
DE3410937A1 (de) * | 1984-03-24 | 1985-10-03 | Philips Patentverwaltung Gmbh, 2000 Hamburg | Verfahren zum erkennen der unerlaubten benutzung einer indentifizierung |
JPS61136188A (ja) * | 1984-12-07 | 1986-06-24 | Dainippon Printing Co Ltd | 磁気記録カ−ドおよびそのデ−タ記録方法 |
US4686527A (en) * | 1984-12-31 | 1987-08-11 | Light Signatures, Inc. | Verification system for document substance and content |
GB2179298A (en) * | 1985-07-01 | 1987-03-04 | Mars Inc | Magnetically encoded card having two levels of spatial bit density |
NL8502567A (nl) * | 1985-09-19 | 1987-04-16 | Bekaert Sa Nv | Werkwijze en inrichting voor het op echtheid controleren van voorwerpen en voorwerp geschikt voor het toepassen van deze werkwijze. |
JPH0756670B2 (ja) * | 1986-01-07 | 1995-06-14 | 大日本印刷株式会社 | 磁気記録カ−ドおよびそのデ−タ記録方法 |
FR2604274B1 (fr) * | 1986-09-22 | 1991-01-11 | Flonic Sa | Carte a memoire electronique a fonctions multiples et dispositifs pour traiter lesdites cartes |
US4985614A (en) * | 1987-01-16 | 1991-01-15 | Rand Mcnally & Company | Object verification apparatus and method |
US4795890A (en) * | 1987-02-02 | 1989-01-03 | Light Signatures, Inc. | Device authentication system for on and off line use |
US4837840A (en) * | 1987-02-26 | 1989-06-06 | Light Signatures, Inc. | System for verifying authenticity of various articles |
US5208706A (en) * | 1988-10-24 | 1993-05-04 | Lemelson Jerome H | Magnetic reproduction apparatus and method |
JPH02166577A (ja) * | 1988-12-21 | 1990-06-27 | Hitachi Ltd | 自動取引処理装置 |
US5216229A (en) * | 1989-06-05 | 1993-06-01 | Rand Mcnally & Company | Verifiable object having incremental key |
FR2657981A1 (fr) * | 1990-02-05 | 1991-08-09 | Kodak Pathe | Procede de certification d'un support d'informations et support obtenu selon le procede. |
US5177344A (en) * | 1990-10-05 | 1993-01-05 | Rand Mcnally & Company | Method and appparatus for enhancing a randomly varying security characteristic |
AU3232793A (en) * | 1991-12-19 | 1993-07-19 | Control Module Inc. | Secure optomagnetic identification |
US5432329A (en) * | 1992-02-07 | 1995-07-11 | American Bank Note Holographics | Automated holographic optical recognition and decoding system for verification |
JPH0822633B2 (ja) * | 1992-03-17 | 1996-03-06 | 大日本印刷株式会社 | カード及びカードの真偽判定方法 |
JP3292506B2 (ja) * | 1992-07-14 | 2002-06-17 | 日本発条株式会社 | 感磁性ワイヤを含有した被検出物とこの被検出物の真偽を判別する方法および処理装置 |
US5473147A (en) * | 1992-09-25 | 1995-12-05 | Nhk Spring Co., Ltd. | Method and an apparatus for checking objects to be checked for authenticity |
US5602381A (en) * | 1993-05-19 | 1997-02-11 | Nhk Spring Co., Ltd. | Objects to be checked for authenticity, and method and apparatus for checking whether or not objects are authentic |
US5451759A (en) * | 1993-06-24 | 1995-09-19 | Nhk Spring Co., Ltd. | Using high-permeability magnetic elements randomly scattered in the objects |
US5594229A (en) * | 1993-07-12 | 1997-01-14 | Nhk Spring Co., Ltd. | Method and apparatus for checking the authenticity of a checking object by detecting magnetic flux reversals |
US5601931A (en) * | 1993-12-02 | 1997-02-11 | Nhk Spring Company, Ltd. | Object to be checked for authenticity and a method for manufacturing the same |
US5845008A (en) | 1994-01-20 | 1998-12-01 | Omron Corporation | Image processing device and method for identifying an input image, and copier scanner and printer including same |
US5739517A (en) * | 1995-01-27 | 1998-04-14 | Nhk Spring Co., Ltd. | Apparatus and a method for checking an object to be checked for authenticity |
JP3117123B2 (ja) * | 1996-05-08 | 2000-12-11 | 勉 松本 | 認証式セキュリティシステム |
US6463416B1 (en) | 1996-07-15 | 2002-10-08 | Intelli-Check, Inc. | Authentication system for identification documents |
US6888442B1 (en) * | 1998-08-28 | 2005-05-03 | Harris Corporation | Substrate/document authentication using randomly dispersed dielectric components |
DE10204870B4 (de) * | 2002-02-06 | 2018-11-15 | Infineon Technologies Ag | Verfahren zur Fälschungssicherung eines Wertträgers, Wertträger und Verfahren zur Überprüfung seiner Echtheit |
US7708189B1 (en) | 2002-05-17 | 2010-05-04 | Cipriano Joseph J | Identification verification system and method |
US7860318B2 (en) | 2004-11-09 | 2010-12-28 | Intelli-Check, Inc | System and method for comparing documents |
US7504106B2 (en) * | 2006-03-14 | 2009-03-17 | Boris Skurkovich | Method and composition for treatment of renal failure with antibodies and their equivalents as partial or complete replacement for dialysis |
US10373409B2 (en) | 2014-10-31 | 2019-08-06 | Intellicheck, Inc. | Identification scan in compliance with jurisdictional or other rules |
US20180268172A1 (en) * | 2017-03-14 | 2018-09-20 | Massachusetts Institute Of Technology | Electronic device authentication system |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SE330282B (de) * | 1968-06-24 | 1970-11-09 | Saab Ab | |
CH529398A (de) | 1971-03-23 | 1972-10-15 | Landis & Gyr Ag | Verfahren zur Verhütung erfolgreicher Fälschungen von Wertzeichen |
US3959630A (en) * | 1972-06-05 | 1976-05-25 | Ab Id-Kort | Identity card having radioactive isotope of short half-life |
CH569333A5 (de) | 1974-03-11 | 1975-11-14 | Landis & Gyr Ag | |
NL7416982A (nl) * | 1974-12-30 | 1976-07-02 | Koppens Automatic Fabrieken Bv | Werkwijze voor het vervaardigen van een kaart die als betaalmiddel kan worden gebruikt bij au- tomaten, de aldus vervaardigde kaart en inrich- ting voor het vervaardigen hiervan evenals de automaat waarbij de kaart kan worden toegepast. |
DE2635795B2 (de) * | 1975-09-09 | 1980-08-21 | Dasy Inter S.A., Genf (Schweiz) | Verfahren und Vorrichtung zur EchtheitskontroHe von Identifuierungskarten u.dgl. Dokumenten |
US4218674A (en) * | 1975-09-09 | 1980-08-19 | Dasy Inter S.A. | Method and a system for verifying authenticity safe against forgery |
CH594935A5 (de) * | 1975-12-23 | 1978-01-31 | Landis & Gyr Ag | |
US4094462A (en) * | 1976-08-02 | 1978-06-13 | Ncr Corporation | Method and means for providing and testing secure identification data |
CH619551A5 (en) * | 1977-01-24 | 1980-09-30 | Gretag Ag | Method for obtaining a high degree of protection against falsification of a card which bears permanent and variable, machine-readable information |
DE2826469C2 (de) * | 1978-06-16 | 1982-12-02 | The Grey Lab. Establishment, 9490 Vaduz | Verfahren und Einrichtung zur Absicherung von Dokumenten |
CA1160749A (en) * | 1980-06-23 | 1984-01-17 | Robert N. Goldman | Non-counterfeitable document system |
-
1980
- 1980-01-09 DE DE3000560A patent/DE3000560C2/de not_active Expired
- 1980-12-12 AU AU65338/80A patent/AU542209B2/en not_active Ceased
- 1980-12-12 CA CA000366692A patent/CA1216067A/en not_active Expired
- 1980-12-19 GB GB8040728A patent/GB2067322B/en not_active Expired
- 1980-12-26 JP JP18939880A patent/JPS56108172A/ja active Granted
-
1981
- 1981-01-05 CS CS8161A patent/CS242865B2/cs unknown
- 1981-01-06 NL NL8100027A patent/NL8100027A/nl not_active Application Discontinuation
- 1981-01-07 BR BR8100070A patent/BR8100070A/pt unknown
- 1981-01-08 HU HU8145A patent/HU184365B/hu unknown
- 1981-01-08 HU HU81490A patent/HU187857B/hu unknown
- 1981-01-08 CH CH2844/84A patent/CH651687A5/de not_active IP Right Cessation
- 1981-01-08 SE SE8100051A patent/SE8100051L/xx not_active Application Discontinuation
- 1981-01-08 CH CH90/81A patent/CH650872A5/de not_active IP Right Cessation
- 1981-01-09 ES ES498421A patent/ES8204194A1/es not_active Expired
- 1981-01-09 IT IT67013/81A patent/IT1221815B/it active
- 1981-01-09 DD DD81226914A patent/DD157029A5/de unknown
- 1981-01-09 YU YU00035/81A patent/YU3581A/xx unknown
-
1982
- 1982-09-03 US US06/414,645 patent/US4450348A/en not_active Expired - Fee Related
-
1983
- 1983-09-12 GB GB08324383A patent/GB2136180B/en not_active Expired
-
1984
- 1984-02-07 US US06/577,861 patent/US4816657A/en not_active Expired - Fee Related
- 1984-06-18 NL NL8401936A patent/NL8401936A/nl not_active Application Discontinuation
-
1987
- 1987-02-14 JP JP62032297A patent/JPS6324383A/ja active Pending
- 1987-08-24 FR FR8711845A patent/FR2602604A1/fr not_active Withdrawn
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7792522B1 (en) | 2006-01-13 | 2010-09-07 | Positive Access Corporation | Software key control for mobile devices |
Also Published As
Publication number | Publication date |
---|---|
BR8100070A (pt) | 1981-07-21 |
FR2602604A1 (fr) | 1988-02-12 |
US4816657A (en) | 1989-03-28 |
ES498421A0 (es) | 1982-04-16 |
ES8204194A1 (es) | 1982-04-16 |
DE3000560A1 (de) | 1981-09-03 |
AU6533880A (en) | 1981-07-16 |
DD157029A5 (de) | 1982-10-06 |
US4450348A (en) | 1984-05-22 |
CH650872A5 (de) | 1985-08-15 |
CS242865B2 (en) | 1986-05-15 |
CA1216067A (en) | 1986-12-30 |
GB2136180A (en) | 1984-09-12 |
IT8167013A0 (it) | 1981-01-09 |
SE8100051L (sv) | 1981-07-10 |
YU3581A (en) | 1984-06-30 |
AU542209B2 (en) | 1985-02-14 |
HU184365B (en) | 1984-08-28 |
NL8100027A (nl) | 1981-08-03 |
NL8401936A (nl) | 1984-10-01 |
CH651687A5 (de) | 1985-09-30 |
HU187857B (en) | 1986-02-28 |
GB2136180B (en) | 1985-02-27 |
GB2067322B (en) | 1984-10-17 |
JPS56108172A (en) | 1981-08-27 |
JPS6324383A (ja) | 1988-02-01 |
GB2067322A (en) | 1981-07-22 |
GB8324383D0 (en) | 1983-10-12 |
IT1221815B (it) | 1990-07-12 |
JPS6321953B2 (de) | 1988-05-10 |
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