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Water purifier apparatus
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Patent number 4,172,796
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Issue date Oct 30, 1979
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Teledyne Industries, Inc.
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Thomas E. Corder
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C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
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Water purifier
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Patent number 4,107,046
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Issue date Aug 15, 1978
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Teledyne Industries, Inc.
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Thomas E. Corder
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C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE