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Developing apparatus
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Patent number 4,660,505
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Issue date Apr 28, 1987
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Hitachi Metals, Ltd.
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Ryuji Goto
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G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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Toner cartridge
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Patent number 4,441,636
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Issue date Apr 10, 1984
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Hitachi Metals, Ltd.
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Keitaro Yamashita
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G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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Developing apparatus
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Patent number 4,436,055
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Issue date Mar 13, 1984
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Hitachi Metals, Ltd.
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Keitaro Yamashita
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G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY