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Marking
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Patent number 4,992,347
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Issue date Feb 12, 1991
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Courtaulds PLC
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Michael Hawkins
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B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
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Multistage deposition process
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Patent number 4,482,622
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Issue date Nov 13, 1984
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Xerox Corporation
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Philip H. Soden
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G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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Pattern-forming process
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Patent number 4,320,191
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Issue date Mar 16, 1982
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Nippon Telegraph & Telephone Public Corporation
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Akira Yoshikawa
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G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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Photographic process
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Patent number 4,250,250
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Issue date Feb 10, 1981
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Mita Industrial Company Limited
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Nobuhiro Miyakawa
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G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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