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Power supply control device
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Patent number 4,631,418
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Issue date Dec 23, 1986
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Canon Kabushiki Kaisha
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Shigeru Toyomura
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G06 - COMPUTING CALCULATING COUNTING
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Foldable electronic apparatus
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Patent number 4,517,660
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Issue date May 14, 1985
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Canon Kabushiki Kaisha
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Hideo Fushimoto
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G06 - COMPUTING CALCULATING COUNTING
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Electronic equipment
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Patent number 4,486,759
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Issue date Dec 4, 1984
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Canon Kabushiki Kaisha
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Shigeru Toyomura
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G06 - COMPUTING CALCULATING COUNTING
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Printing hammer driving system
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Patent number 4,152,983
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Issue date May 8, 1979
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Canon Kabushiki Kaisha
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Shigeru Toyomura
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B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS