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Process for producing pure water
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Patent number 5,954,965
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Issue date Sep 21, 1999
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Mitsubishi Chemical Corporation
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Hirohisa Kubota
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C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
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Method for preparing ultrapure water
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Patent number 5,292,439
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Issue date Mar 8, 1994
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Mitsubishi Kasei Corporation
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Takamitsu Morita
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C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
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