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Wet-type image formation apparatus
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Patent number 5,463,453
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Issue date Oct 31, 1995
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Ricoh Company, Ltd.
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Tsuneo Kurotori
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G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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Developing device
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Patent number 4,669,859
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Issue date Jun 2, 1987
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Ricoh Company, Ltd.
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Manabu Mochizuki
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G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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Solid state corona discharger
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Patent number 4,626,876
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Issue date Dec 2, 1986
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Ricoh Company, Ltd.
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Seiichi Miyagawa
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G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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Color image forming method
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Patent number 4,578,331
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Issue date Mar 25, 1986
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Ricoh Company, Ltd.
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Itsuo Ikeda
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G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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