TREA

Walter Quitmann

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  • Angermund, DT
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Patents Grantslast 30 patents

  • Information Patent Grant

    Wrapping of pipes or tubes
    • Patent number 3,972,761
    • Issue date Aug 3, 1976
    • Mannesmann Aktiengesellschaft
    • Helmut Landgraf
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL