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Hologram recording medium
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Patent number 4,842,968
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Issue date Jun 27, 1989
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Sony Corporation
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Chiaki Kojima
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G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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Slide member
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Patent number 4,434,202
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Issue date Feb 28, 1984
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Sony Corporation
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Satoru Uedaira
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Dew-sensing hygroscopic element
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Patent number 4,167,725
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Issue date Sep 11, 1979
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Sony Corporation
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Hidetoshi Shimizu
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C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...