TREA

Jochen Ullmann

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  • Erlensee, DE
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Patents Grantslast 30 patents

  • Information Patent Grant

    Process for leaching of precious metals
    • Patent number 5,336,474
    • Issue date Aug 9, 1994
    • Degussa Aktiengesellschaft
    • Manfred Diehl
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...