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Developing device
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Patent number 4,896,625
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Issue date Jan 30, 1990
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Ricoh Company, Ltd.
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Koji Sakamoto
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G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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Developing device
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Patent number 4,674,439
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Issue date Jun 23, 1987
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Ricoh Company, Ltd.
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Koji Sakamoto
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G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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Developing device
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Patent number 4,656,964
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Issue date Apr 14, 1987
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Ricoh Company, Ltd.
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Fuchio Kanno
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G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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Developing device
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Patent number 4,625,676
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Issue date Dec 2, 1986
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Ricoh Company, Ltd.
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Koji Sakamoto
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G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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Developing device
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Patent number 4,575,220
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Issue date Mar 11, 1986
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Ricoh Company, Ltd.
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Koji Sakamoto
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G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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