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Exposure time control device
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Patent number 4,464,032
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Issue date Aug 7, 1984
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Canon Kabushiki Kaisha
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Masayoshi Kiuchi
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G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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Shutter time control circuit
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Patent number 4,395,098
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Issue date Jul 26, 1983
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Canon Kabushiki Kaisha
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Masanori Uchidoi
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G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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Power supply device for camera
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Patent number 4,387,977
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Issue date Jun 14, 1983
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Canon Kabushiki Kaisha
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Masanori Uchidoi
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G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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Shutter time control camera
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Patent number 4,375,915
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Issue date Mar 8, 1983
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Canon Kabushiki Kaisha
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Masanori Uchidoi
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G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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Battery-voltage indicator of camera
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Patent number 4,327,985
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Issue date May 4, 1982
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Canon Kabushiki Kaisha
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Kazunobu Urushihara
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G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY