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Decorative materials
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Patent number 5,178,928
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Issue date Jan 12, 1993
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Dai Nippon Insatsu Kabushiki Kaisha
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Hideo Goto
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B44 - DECORATIVE ARTS
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Reverse osmosis sealing means
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Patent number 4,594,161
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Issue date Jun 10, 1986
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Yamato Scientific Co., Ltd.
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Hideo Goto
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C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
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Demineralizer
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Patent number 4,563,272
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Issue date Jan 7, 1986
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Yamato Scientific Co., Ltd.
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Naoki Yoshida
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C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE