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Flash hydropyrolysis of bituminous coal
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Patent number 4,935,036
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Issue date Jun 19, 1990
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Energy, Mines and Resources-Canada
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Michio Ikura
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C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
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Ozone/ultraviolet water purifier
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Patent number 4,141,830
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Issue date Feb 27, 1979
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Ontario Research Foundation
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Anthony J. Last
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C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE