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Membrane magnetic separating apparatus
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Patent number 6,478,955
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Issue date Nov 12, 2002
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Hitachi, Ltd.
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Norihide Saho
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B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...
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Magnetic purification apparatus
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Patent number 6,103,113
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Issue date Aug 15, 2000
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Hitachi, Ltd.
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Norihide Saho
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C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
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Liquid purification apparatus
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Patent number 5,944,986
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Issue date Aug 31, 1999
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Hitachi, Ltd.
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Norihide Saho
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C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
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Slurry storage tank
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Patent number 4,367,048
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Issue date Jan 4, 1983
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Tsukishima Kikai Co., Ltd.
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Minoru Morita
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B28 - WORKING CEMENT, CLAY, OR STONE
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