TREA

Equity Mining Corporation

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  • Vancouver, CA
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  • Information Patent Grant

    Sodium sulfide leach process
    • Patent number 4,051,220
    • Issue date Sep 27, 1977
    • Equity Mining Corporation
    • Enzo L. Coltrinari
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...

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