CH567766A5 - - Google Patents
Info
- Publication number
- CH567766A5 CH567766A5 CH1506872A CH1506872A CH567766A5 CH 567766 A5 CH567766 A5 CH 567766A5 CH 1506872 A CH1506872 A CH 1506872A CH 1506872 A CH1506872 A CH 1506872A CH 567766 A5 CH567766 A5 CH 567766A5
- Authority
- CH
- Switzerland
- Prior art keywords
- pigments
- lattice
- patent nos
- textile
- fabrics
- Prior art date
Links
- 239000004753 textile Substances 0.000 claims description 25
- 239000004744 fabric Substances 0.000 claims description 18
- 238000000034 method Methods 0.000 claims description 15
- 239000000049 pigment Substances 0.000 claims description 15
- 229920001228 polyisocyanate Polymers 0.000 claims description 14
- 239000005056 polyisocyanate Substances 0.000 claims description 14
- 230000000694 effects Effects 0.000 claims description 12
- 239000002904 solvent Substances 0.000 claims description 6
- 238000004519 manufacturing process Methods 0.000 claims description 5
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims description 4
- 238000009835 boiling Methods 0.000 claims description 3
- 239000003791 organic solvent mixture Substances 0.000 claims description 3
- 239000004033 plastic Substances 0.000 claims description 3
- 229920003023 plastic Polymers 0.000 claims description 3
- 238000005507 spraying Methods 0.000 claims description 3
- 229920001169 thermoplastic Polymers 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims 1
- 239000011230 binding agent Substances 0.000 description 28
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 10
- 229920000728 polyester Polymers 0.000 description 10
- XLLIQLLCWZCATF-UHFFFAOYSA-N 2-methoxyethyl acetate Chemical compound COCCOC(C)=O XLLIQLLCWZCATF-UHFFFAOYSA-N 0.000 description 8
- 239000000758 substrate Substances 0.000 description 8
- 239000000853 adhesive Substances 0.000 description 6
- 230000001070 adhesive effect Effects 0.000 description 6
- 239000000463 material Substances 0.000 description 6
- 239000007921 spray Substances 0.000 description 6
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 5
- 239000000843 powder Substances 0.000 description 4
- 229910000906 Bronze Inorganic materials 0.000 description 3
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 3
- 239000010974 bronze Substances 0.000 description 3
- 239000012876 carrier material Substances 0.000 description 3
- KUNSUQLRTQLHQQ-UHFFFAOYSA-N copper tin Chemical compound [Cu].[Sn] KUNSUQLRTQLHQQ-UHFFFAOYSA-N 0.000 description 3
- 230000001788 irregular Effects 0.000 description 3
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 2
- 241000238631 Hexapoda Species 0.000 description 2
- 239000000975 dye Substances 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 239000012948 isocyanate Substances 0.000 description 2
- 150000002513 isocyanates Chemical class 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 231100000614 poison Toxicity 0.000 description 2
- 230000000717 retained effect Effects 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 239000004416 thermosoftening plastic Substances 0.000 description 2
- QMYGFTJCQFEDST-UHFFFAOYSA-N 3-methoxybutyl acetate Chemical group COC(C)CCOC(C)=O QMYGFTJCQFEDST-UHFFFAOYSA-N 0.000 description 1
- 229920002292 Nylon 6 Polymers 0.000 description 1
- 239000004952 Polyamide Substances 0.000 description 1
- 229920001328 Polyvinylidene chloride Polymers 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 239000011324 bead Substances 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 238000010382 chemical cross-linking Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000004040 coloring Methods 0.000 description 1
- 229910052593 corundum Inorganic materials 0.000 description 1
- 239000010431 corundum Substances 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000009713 electroplating Methods 0.000 description 1
- FRXFBIWLAJRBQW-UHFFFAOYSA-N hexanedioic acid;2-(2-hydroxyethoxy)ethanol Chemical compound OCCOCCO.OC(=O)CCCCC(O)=O FRXFBIWLAJRBQW-UHFFFAOYSA-N 0.000 description 1
- 230000005923 long-lasting effect Effects 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002923 metal particle Substances 0.000 description 1
- 239000010445 mica Substances 0.000 description 1
- 229910052618 mica group Inorganic materials 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 239000002574 poison Substances 0.000 description 1
- 229920002239 polyacrylonitrile Polymers 0.000 description 1
- 229920002647 polyamide Polymers 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 229920000098 polyolefin Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004800 polyvinyl chloride Substances 0.000 description 1
- 229920000915 polyvinyl chloride Polymers 0.000 description 1
- 239000005033 polyvinylidene chloride Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 239000004071 soot Substances 0.000 description 1
- 229920002994 synthetic fiber Polymers 0.000 description 1
- -1 thylacetate Chemical compound 0.000 description 1
- 239000003440 toxic substance Substances 0.000 description 1
- 238000007740 vapor deposition Methods 0.000 description 1
- 239000002759 woven fabric Substances 0.000 description 1
Classifications
-
- 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
Landscapes
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Inspection Of Paper Currency And Valuable Securities (AREA)
- Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT9724/71A IT941586B (it) | 1971-10-15 | 1971-10-15 | Apparecchio verificatore di carte valori ed in specie di banconote a funzionamento fotoelettrico |
Publications (1)
Publication Number | Publication Date |
---|---|
CH567766A5 true CH567766A5 (es) | 1975-10-15 |
Family
ID=11133168
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH1506872A CH567766A5 (es) | 1971-10-15 | 1972-10-16 |
Country Status (8)
Country | Link |
---|---|
US (1) | US3782543A (es) |
CH (1) | CH567766A5 (es) |
DE (1) | DE2250671A1 (es) |
ES (1) | ES407892A1 (es) |
FR (1) | FR2156331A1 (es) |
GB (1) | GB1358813A (es) |
IT (1) | IT941586B (es) |
NL (1) | NL7213954A (es) |
Families Citing this family (75)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5760676B2 (es) * | 1973-09-28 | 1982-12-21 | Tokyo Shibaura Electric Co | |
US4050562A (en) * | 1974-04-22 | 1977-09-27 | Mars, Inc. | Banknote escrow and stacker apparatus and method |
US3978962A (en) * | 1975-04-21 | 1976-09-07 | International Acceptor Corporation Of Florida | Solid state, coin activated mechanism |
US4089400A (en) * | 1976-01-23 | 1978-05-16 | Gregory Jr Lester | Coin testing device |
CH609004A5 (es) * | 1976-03-08 | 1979-02-15 | Bobst Fils Sa J | |
US4041456A (en) * | 1976-07-30 | 1977-08-09 | Ott David M | Method for verifying the denomination of currency |
US4179685A (en) * | 1976-11-08 | 1979-12-18 | Abbott Coin Counter Company, Inc. | Automatic currency identification system |
US4331241A (en) * | 1979-09-26 | 1982-05-25 | Smirin Lev N | Apparatus for thickness sorting of sheet materials |
US4423415A (en) * | 1980-06-23 | 1983-12-27 | Light Signatures, Inc. | Non-counterfeitable document system |
DE3038602C2 (de) * | 1980-10-13 | 1986-09-25 | COPYTEX GmbH Sicherheitssysteme, 7730 Villingen-Schwenningen | Verfahren zum Erkennen der Echtheit eines Datenträgers |
NL8006097A (nl) * | 1980-11-07 | 1982-06-01 | Nl Bank Nv | Inrichting voor het automatisch vaststellen en beoordelen van kwaliteiten van afdrukken. |
GB8311795D0 (en) * | 1983-04-29 | 1983-06-02 | De La Rue Syst | Detecting luminescent security features |
US4881268A (en) * | 1986-06-17 | 1989-11-14 | Laurel Bank Machines Co., Ltd. | Paper money discriminator |
US5751840A (en) * | 1990-02-05 | 1998-05-12 | Cummins-Allison Corp. | Method and apparatus for currency discrimination |
US5537486A (en) * | 1990-11-13 | 1996-07-16 | Empire Blue Cross/Blue Shield | High-speed document verification system |
EP0613104B1 (en) * | 1991-10-08 | 1997-12-17 | Kabushiki Kaisha Ace Denken | Changing machine having function of judging wear of bill |
GB2268906A (en) † | 1992-07-24 | 1994-01-26 | Portals Ltd | Counterfeit protection for documents using optical effects of liquid crystal |
US5422467A (en) * | 1993-01-15 | 1995-06-06 | Interbold | Article depositing apparatus |
JP3307787B2 (ja) * | 1994-02-15 | 2002-07-24 | ローレルバンクマシン株式会社 | 紙幣処理機の紙幣判別装置 |
NL9401933A (nl) * | 1994-11-18 | 1996-07-01 | Tno | Documentensorteersysteem voor het sorteren van voor hercirculatie geschikte documenten, in het bijzonder bankbiljetten. |
US6748101B1 (en) * | 1995-05-02 | 2004-06-08 | Cummins-Allison Corp. | Automatic currency processing system |
US6363164B1 (en) * | 1996-05-13 | 2002-03-26 | Cummins-Allison Corp. | Automated document processing system using full image scanning |
US5737418A (en) * | 1995-05-30 | 1998-04-07 | International Game Technology | Encryption of bill validation data |
GB2309778B (en) * | 1996-02-05 | 2000-05-24 | Mars Inc | Security document validation |
US8950566B2 (en) | 1996-05-13 | 2015-02-10 | Cummins Allison Corp. | Apparatus, system and method for coin exchange |
US6661910B2 (en) * | 1997-04-14 | 2003-12-09 | Cummins-Allison Corp. | Network for transporting and processing images in real time |
US7903863B2 (en) * | 2001-09-27 | 2011-03-08 | Cummins-Allison Corp. | Currency bill tracking system |
US8162125B1 (en) | 1996-05-29 | 2012-04-24 | Cummins-Allison Corp. | Apparatus and system for imaging currency bills and financial documents and method for using the same |
US7187795B2 (en) * | 2001-09-27 | 2007-03-06 | Cummins-Allison Corp. | Document processing system using full image scanning |
US20050276458A1 (en) | 2004-05-25 | 2005-12-15 | Cummins-Allison Corp. | Automated document processing system and method using image scanning |
US5922959A (en) * | 1996-10-15 | 1999-07-13 | Currency Systems International | Methods of measuring currency limpness |
US7513417B2 (en) * | 1996-11-15 | 2009-04-07 | Diebold, Incorporated | Automated banking machine |
US5923413A (en) * | 1996-11-15 | 1999-07-13 | Interbold | Universal bank note denominator and validator |
US6573983B1 (en) | 1996-11-15 | 2003-06-03 | Diebold, Incorporated | Apparatus and method for processing bank notes and other documents in an automated banking machine |
US7584883B2 (en) * | 1996-11-15 | 2009-09-08 | Diebold, Incorporated | Check cashing automated banking machine |
US7559460B2 (en) * | 1996-11-15 | 2009-07-14 | Diebold Incorporated | Automated banking machine |
US8478020B1 (en) | 1996-11-27 | 2013-07-02 | Cummins-Allison Corp. | Apparatus and system for imaging currency bills and financial documents and method for using the same |
JP3940975B2 (ja) | 1997-04-24 | 2007-07-04 | 富士フイルム株式会社 | 写真プリント注文受付装置 |
US6241244B1 (en) | 1997-11-28 | 2001-06-05 | Diebold, Incorporated | Document sensor for currency recycling automated banking machine |
US6510238B2 (en) | 1999-05-13 | 2003-01-21 | Currency Systems International, Inc. | Partial OCR note confirmation methods |
US8701857B2 (en) | 2000-02-11 | 2014-04-22 | Cummins-Allison Corp. | System and method for processing currency bills and tickets |
US6351552B1 (en) | 2000-03-09 | 2002-02-26 | Recot, Inc. | Predestruction note image audit |
US6546351B1 (en) | 2000-07-20 | 2003-04-08 | Currency Systems International | Note-specific currency processing |
GB0028263D0 (en) * | 2000-11-20 | 2001-01-03 | Rue De Int Ltd | Document handling apparatus |
US7000828B2 (en) | 2001-04-10 | 2006-02-21 | Cummins-Allison Corp. | Remote automated document processing system |
US7647275B2 (en) * | 2001-07-05 | 2010-01-12 | Cummins-Allison Corp. | Automated payment system and method |
US8428332B1 (en) | 2001-09-27 | 2013-04-23 | Cummins-Allison Corp. | Apparatus and system for imaging currency bills and financial documents and method for using the same |
US8433123B1 (en) | 2001-09-27 | 2013-04-30 | Cummins-Allison Corp. | Apparatus and system for imaging currency bills and financial documents and method for using the same |
US8437530B1 (en) | 2001-09-27 | 2013-05-07 | Cummins-Allison Corp. | Apparatus and system for imaging currency bills and financial documents and method for using the same |
US7873576B2 (en) * | 2002-09-25 | 2011-01-18 | Cummins-Allison Corp. | Financial document processing system |
US8944234B1 (en) | 2001-09-27 | 2015-02-03 | Cummins-Allison Corp. | Apparatus and system for imaging currency bills and financial documents and method for using the same |
US8437529B1 (en) | 2001-09-27 | 2013-05-07 | Cummins-Allison Corp. | Apparatus and system for imaging currency bills and financial documents and method for using the same |
US6896118B2 (en) | 2002-01-10 | 2005-05-24 | Cummins-Allison Corp. | Coin redemption system |
US6766045B2 (en) * | 2002-03-11 | 2004-07-20 | Digital Verification Ltd. | Currency verification |
CN1255764C (zh) * | 2002-03-25 | 2006-05-10 | 鲍东山 | 复合高技术验钞机 |
KR100661440B1 (ko) * | 2002-08-30 | 2006-12-27 | 후지츠 프론테크 가부시키가이샤 | 종이류 특징 검출 장치 및 종이류 특징 검출 방법 |
US8171567B1 (en) | 2002-09-04 | 2012-05-01 | Tracer Detection Technology Corp. | Authentication method and system |
US8627939B1 (en) | 2002-09-25 | 2014-01-14 | Cummins-Allison Corp. | Apparatus and system for imaging currency bills and financial documents and method for using the same |
US6811016B2 (en) * | 2002-11-06 | 2004-11-02 | De La Rue Cash Systems Inc. Fka Currency Systems International, Inc. | Vignette inspection system |
JP2005018688A (ja) * | 2003-06-30 | 2005-01-20 | Asahi Seiko Kk | 反射式光学センサを用いる紙幣識別装置 |
DE10332212A1 (de) * | 2003-07-16 | 2005-02-24 | Koenig & Bauer Ag | Vorrichtungen zur Qualitätsprüfung von Prüfkörpern und ein Verfahren zum Prüfen der Qualität von Bogen |
DE10332211B3 (de) * | 2003-07-16 | 2005-02-10 | Koenig & Bauer Ag | Maschine zur Verarbeitung von Bogen |
US20050169511A1 (en) * | 2004-01-30 | 2005-08-04 | Cummins-Allison Corp. | Document processing system using primary and secondary pictorial image comparison |
US7946406B2 (en) * | 2005-11-12 | 2011-05-24 | Cummins-Allison Corp. | Coin processing device having a moveable coin receptacle station |
US7980378B2 (en) * | 2006-03-23 | 2011-07-19 | Cummins-Allison Corporation | Systems, apparatus, and methods for currency processing control and redemption |
DE102006043882A1 (de) * | 2006-09-19 | 2008-03-27 | Giesecke & Devrient Gmbh | Sensor zur Untersuchung eines Wertdokuments und Verfahren zur Herstellung des Sensors |
US7929749B1 (en) | 2006-09-25 | 2011-04-19 | Cummins-Allison Corp. | System and method for saving statistical data of currency bills in a currency processing device |
GB2459223B (en) | 2007-03-09 | 2012-07-11 | Cummins Allison Corp | Document imaging and processing system |
US8417017B1 (en) | 2007-03-09 | 2013-04-09 | Cummins-Allison Corp. | Apparatus and system for imaging currency bills and financial documents and method for using the same |
US8538123B1 (en) | 2007-03-09 | 2013-09-17 | Cummins-Allison Corp. | Apparatus and system for imaging currency bills and financial documents and method for using the same |
US8929640B1 (en) | 2009-04-15 | 2015-01-06 | Cummins-Allison Corp. | Apparatus and system for imaging currency bills and financial documents and method for using the same |
US8391583B1 (en) | 2009-04-15 | 2013-03-05 | Cummins-Allison Corp. | Apparatus and system for imaging currency bills and financial documents and method for using the same |
US8437532B1 (en) | 2009-04-15 | 2013-05-07 | Cummins-Allison Corp. | Apparatus and system for imaging currency bills and financial documents and method for using the same |
US9141876B1 (en) | 2013-02-22 | 2015-09-22 | Cummins-Allison Corp. | Apparatus and system for processing currency bills and financial documents and method for using the same |
US10296800B2 (en) * | 2017-04-26 | 2019-05-21 | Ncr Corporation | Media validation processing |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2941187A (en) * | 1957-12-30 | 1960-06-14 | Luther G Simjian | Apparatus and method for determining the character of a document |
US3239814A (en) * | 1962-02-14 | 1966-03-08 | Lionel Electronics Lab Inc | Document testing and identification system |
US3443107A (en) * | 1965-05-28 | 1969-05-06 | Automated Machines Corp | Radiation sensitive currency testing device |
-
1971
- 1971-10-15 IT IT9724/71A patent/IT941586B/it active
-
1972
- 1972-10-12 US US00296853A patent/US3782543A/en not_active Expired - Lifetime
- 1972-10-13 GB GB4730872A patent/GB1358813A/en not_active Expired
- 1972-10-13 FR FR7236325A patent/FR2156331A1/fr not_active Withdrawn
- 1972-10-14 ES ES407892A patent/ES407892A1/es not_active Expired
- 1972-10-16 CH CH1506872A patent/CH567766A5/de not_active IP Right Cessation
- 1972-10-16 NL NL7213954A patent/NL7213954A/xx unknown
- 1972-10-16 DE DE2250671A patent/DE2250671A1/de active Pending
Also Published As
Publication number | Publication date |
---|---|
FR2156331A1 (es) | 1973-05-25 |
ES407892A1 (es) | 1975-10-16 |
IT941586B (it) | 1973-03-10 |
NL7213954A (es) | 1973-04-17 |
US3782543A (en) | 1974-01-01 |
GB1358813A (en) | 1974-07-03 |
DE2250671A1 (de) | 1973-04-19 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CH567766A5 (es) | ||
DE2660287C2 (de) | Retroreflektierendes Tuch | |
DE3200730A1 (de) | "lack, verfahren zum lackieren mit demselben und mit demselben gelackte gegenstaende" | |
CH459953A (de) | Verfahren zur Herstellung gitterartiger textiler Flächengebilde mit Farb- und Struktureffekten | |
DE2515776A1 (de) | Schmelzbares zwischenfuttermaterial | |
DE10261213B4 (de) | Intumeszierende Textilie | |
DE2330185C2 (de) | Verfahren zur Bildung von in acrylischem Kunstharz dekorierten Platten und die damit erzielten Platten | |
DE1469547A1 (de) | Verfahren zur Herstellung von synthetischen Ledern und aehnlichen Formkoerpern unterVerwendung von besonderen hochmolekularen Loesungen | |
DE3813301C2 (es) | ||
DE2325129A1 (de) | Zweistufiges verfahren zur herstellung einer farbbildroehre | |
DE848252C (de) | Verfahren zur Herstellung farbiger elastischer UEberzuege, insbesondere auf Fahrzeugreifen | |
DE1544708A1 (de) | Verfahren zum Faerben organischer Erzeugnisse mit Pigmentfarbstoffen | |
DE957294C (de) | Verfahren zum Beschichten bzw. Praeparieren von Traegermaterialien | |
DE1469513A1 (de) | Verfahren zum Herstellen eines Ersatzmaterials fuer Textilmaterial | |
DE696959C (de) | Verfahren zum Mattieren von biegsamen Polystyrolfolien oder -baendern | |
AT259514B (de) | Verfahren zur Veredlung von Erzeugnissen aus Polyamiden, Polyestern, Polyäthylen oder Polypropylen in Form von Fasern, Garnen, Strängen, Geweben, Gestricken, Flächengebilden oder geformten Gegenständen | |
DE102010052057A1 (de) | Dekor-Oberfläche, Verfahren zu ihrer Herstellung sowie ihre Verwendung | |
DE846023C (de) | Magnetischer Tontraeger | |
CH314031A (de) | Tarnnetz zum Abdecken grösserer Objekte gegen Fliegersicht | |
AT219005B (de) | Verfahren zur Veredlung von aus nativer oder regenerierter Cellulose bestehenden Textilien | |
AT112500B (de) | Verfahren zum Herstellen von mit Glaskügelchen od. dgl. verzierten Fäden. | |
DE688903C (de) | Weitmaschige Web-, Wirk- oder Flechtware | |
DE263013C (es) | ||
DE1469354A1 (de) | Verfahren zur Verhinderung des Einsinkens von Polyamidspritzauftrag auf Vliesstoff | |
DE844677C (de) | Magnetische Tontraeger |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PL | Patent ceased |