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Tape guide roller for tape cassette
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Patent number 5,454,501
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Issue date Oct 3, 1995
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Sony Corporation
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Toshikazu Konno
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Tape cassette
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Patent number 4,864,448
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Issue date Sep 5, 1989
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Sony Corporation
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Haruyuki Karibe
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G11 - INFORMATION STORAGE
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Tape cassette
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Patent number 4,824,044
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Issue date Apr 25, 1989
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Sony Corporation
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Takashi Oogi
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G11 - INFORMATION STORAGE
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