TREA

Kingsley F. Doig

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  • Hillbrow, ZA
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Patents Grantslast 30 patents

  • Information Patent Grant

    Leaching of copper-nickel concentrates
    • Patent number 4,067,952
    • Issue date Jan 10, 1978
    • Anglo-Transvaal Consolidated Investment Company Limited
    • Willem H. Pittie
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...