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Process for treating ion exchange resin
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Patent number 5,269,936
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Issue date Dec 14, 1993
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Johannesburg Consolidated Investment Co.
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Heinz W. Gussmann
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B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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Leaching refractory gold ores
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Patent number 4,559,209
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Issue date Dec 17, 1985
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Johannesburg Consolidated Investment Company Limited
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Colin W. A. Muir
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C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
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Treating cyanide-containing effluents
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Patent number 4,548,718
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Issue date Oct 22, 1985
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Johannesburg Consolidated Investment Company Limited
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Colin W. A. Muir
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C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
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Magnesium production
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Patent number 4,543,122
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Issue date Sep 24, 1985
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Johannesburg Consolidated Investment Company Limited
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Johannes J. Bodenstein
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C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...