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Image forming apparatus
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Patent number 4,862,215
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Issue date Aug 29, 1989
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Canon Kabushiki Kaisha
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Akihiro Nomura
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G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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Double-side image forming apparatus
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Patent number 4,845,528
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Issue date Jul 4, 1989
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Canon Kabushiki Kaisha
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Tomohiro Aoki
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G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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Double-side image forming apparatus
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Patent number 4,437,756
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Issue date Mar 20, 1984
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Canon Kabushiki Kaisha
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Kazuo Kawakubo
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G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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Cleaning apparatus
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Patent number 4,329,044
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Issue date May 11, 1982
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Canon Kabushiki Kaisha
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Tadayuki Kitajima
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G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY