TREA

Richard S. Celmer

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  • Denver, CO, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Direct sulphidization fuming of zinc
    • Patent number 5,372,630
    • Issue date Dec 13, 1994
    • Mincorp Ltd
    • Kevin A. Foo
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...