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Method for the beneficiation of oxidized coal
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Patent number 4,605,420
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Issue date Aug 12, 1986
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Sohio Alternate Energy Development Company
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Phillip E. McGarry
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B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...
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Apparatus for beneficiating coal
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Patent number 4,536,372
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Issue date Aug 20, 1985
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The Standard Oil Company
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Lester E. Burgess
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C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
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Process for beneficiating coal
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Patent number 4,332,593
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Issue date Jun 1, 1982
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Gulf & Western Industries, Inc.
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Lester E. Burgess
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C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...