TREA

Klaus W. Heyer

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  • Dundas, CA
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Patents Grantslast 30 patents

  • Information Patent Grant

    Ladle lid arrangement
    • Patent number 4,834,346
    • Issue date May 30, 1989
    • Stelco Inc.
    • Klaus W. Heyer
    • B22 - CASTING POWDER METALLURGY