TREA

Hartwig Matzner

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  • Duisburg, DE
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Patents Grantslast 30 patents

  • Information Patent Grant

    Supervising casting flow
    • Patent number 4,140,300
    • Issue date Feb 20, 1979
    • Mannesmann Aktiengesellschaft
    • Hans Gruner
    • B22 - CASTING POWDER METALLURGY