TREA

Bernd Langensiepen

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  • Hamburg, DE
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Patents Grantslast 30 patents

  • Information Patent Grant

    Ship's door or hatch arrangement
    • Patent number 4,665,653
    • Issue date May 19, 1987
    • Blohm & Voss AG
    • Hans-Joachim Franz
    • B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT