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Electromagnetically driven shutter
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Patent number 4,367,938
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Issue date Jan 11, 1983
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Canon Kabushiki Kaisha
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Syozo Yoshida
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G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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Electromagnetically driven shutter
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Patent number 4,338,014
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Issue date Jul 6, 1982
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Canon Kabushiki Kaisha
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Syozo Yoshida
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G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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Electromagnetically driven shutter
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Patent number 4,333,721
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Issue date Jun 8, 1982
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Canon Kabushiki Kaisha
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Syozo Yoshida
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G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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Electromagnetically operated shutter
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Patent number 4,290,682
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Issue date Sep 22, 1981
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Canon Kabushiki Kaisha
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Syuichiro Saito
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G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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Focal plane shutter device
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Patent number 4,268,147
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Issue date May 19, 1981
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Canon Kabushiki Kaisha
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Nobuaki Date
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G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY