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Dump leaching of copper
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Patent number 4,120,935
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Issue date Oct 17, 1978
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Inspiration Consolidated Copper Company
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Gerald F. Fountain
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C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
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Flotation of sulfide minerals
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Patent number 4,104,157
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Issue date Aug 1, 1978
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Inspiration Consolidated Copper Company
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Gerald F. Fountain
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B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...
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Recovery of copper
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Patent number 4,091,070
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Issue date May 23, 1978
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Inspiration Consolidated Copper Company
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William F. Riggs
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C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
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Process for recovery of copper
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Patent number 4,032,330
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Issue date Jun 28, 1977
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Inspiration Consolidated Copper Company
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Gerald F. Fountain
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C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
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