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Process for purifying water
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Patent number 5,562,820
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Issue date Oct 8, 1996
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Agency of Industrial Science and Technology
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Hiroshi Taoda
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C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
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Process for purifying water
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Patent number 5,449,467
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Issue date Sep 12, 1995
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Director General of Agency of Industrial Science and Technology
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Hiroshi Taoda
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C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
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Material for conversion of solar energy
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Patent number 4,473,484
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Issue date Sep 25, 1984
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Agency of Industrial Science and Technology
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Hiroshi Taoda
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C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...