TREA

Helmut Katernberg

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  • Oberhausen, DE
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Patents Grantslast 30 patents

  • Information Patent Grant

    Floating dock construction
    • Patent number 4,691,656
    • Issue date Sep 8, 1987
    • M.A.N. Maschinenfabrik Augsburg-Nurnberg
    • Helmut Katernberg
    • B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT