TREA

Johannes Spykman

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  • Emlichheim, DE
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Patents Grantslast 30 patents

  • Information Patent Grant

    Coupler for a pipe or hose section
    • Patent number 6,439,617
    • Issue date Aug 27, 2002
    • Wavin B.V.
    • Hans Boer
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...