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Integrated coal cleaning process
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Patent number 4,566,394
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Issue date Jan 28, 1986
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Combustion Engineering, Inc.
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Donald C. Borio
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C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
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Integrated coal cleaning process
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Patent number 4,552,077
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Issue date Nov 12, 1985
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Combustion Engineering, Inc.
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Donald C. Borio
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C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...