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Magnetic tape wind-up device
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Patent number 6,050,515
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Issue date Apr 18, 2000
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Matsushita Electric Industrial Co., Ltd.
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Isao Shinohara
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G11 - INFORMATION STORAGE
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Electric motor with inner drive pulley
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Patent number 4,987,333
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Issue date Jan 22, 1991
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Matsushita Electric Industrial Co., Ltd.
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Naoto Noguchi
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H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
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Cassette tape recorder
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Patent number 4,511,939
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Issue date Apr 16, 1985
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Matsushita Electric Industrial Co., Ltd.
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Isao Shinohara
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G11 - INFORMATION STORAGE