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Electrooptical recording device
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Patent number 4,658,271
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Issue date Apr 14, 1987
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Standard Electrik Lorenz Aktiengesellschaft
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Gerhard Wessel
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B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
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Electro-optical device
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Patent number 4,607,917
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Issue date Aug 26, 1986
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International Standard Electric Corporation
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Heinz Ebner
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G02 - OPTICS
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Electrothermal page printer
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Patent number 4,606,267
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Issue date Aug 19, 1986
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International Standard Electric Corporation
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Gerhard Wessel
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B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
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Optical switch
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Patent number 4,413,886
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Issue date Nov 8, 1983
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International Standard Electric Corporation
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Joachim Lauckner
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G02 - OPTICS
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Facsimile recorder
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Patent number 4,343,009
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Issue date Aug 3, 1982
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International Standard Electric Corporation
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Felix Lutz
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G06 - COMPUTING CALCULATING COUNTING
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Electro-optical display
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Patent number 4,256,383
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Issue date Mar 17, 1981
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International Standard Electric Corporation
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Gerhard Wessel
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G02 - OPTICS