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Gerhard Kappell

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  • Jesteburg, DE
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Patents Grantslast 30 patents

  • Information Patent Grant

    Refining furnace for nonferrous metal
    • Patent number 4,245,821
    • Issue date Jan 20, 1981
    • Norddeutsche Affinerie
    • Gerhard Kappell
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...