TREA

Leonard P. Hendriks

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  • Germiston, ZA
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Patents Grantslast 30 patents

  • Information Patent Grant

    Leaching refractory gold ores
    • Patent number 4,559,209
    • Issue date Dec 17, 1985
    • Johannesburg Consolidated Investment Company Limited
    • Colin W. A. Muir
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...