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Film unit with a lens attached
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Patent number 6,222,994
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Issue date Apr 24, 2001
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Konica Corporation
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Shuri Mizoguchi
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G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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Film advance and rewind mechanism
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Patent number 4,332,449
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Issue date Jun 1, 1982
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Keystone Camera Corporation
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Arthur Zawodny
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G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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Gearing for camera operation
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Patent number 4,101,915
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Issue date Jul 18, 1978
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Balda-Werke
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Karl Heinz Lange
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G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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3736015
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Patent number 3,736,015
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Issue date May 29, 1973
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G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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1929360
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Patent number 1,929,360
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Issue date Oct 3, 1933
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G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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1410029
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Patent number 1,410,029
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Issue date Mar 21, 1922
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G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY