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Charging roll
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Issue date Sep 8, 1998
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Tokai Rubber Industries, Ltd.
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Tetsuya Itoh
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Method of producing a conductive roll
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Patent number 5,753,154
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Issue date May 19, 1998
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Tokai Rubber Industries, Ltd.
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Saburou Hayashi
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Conductive roll
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Patent number 5,609,554
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Issue date Mar 11, 1997
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Tokai Rubber Industries, Ltd.
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Saburou Hayashi
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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