TREA

Peter Faerber

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  • Leverkusen, DE
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Patents Grantslast 30 patents

  • Information Patent Grant

    Socket pipe seal for concrete pipes
    • Patent number 4,483,544
    • Issue date Nov 20, 1984
    • Denso-Chemie Wedekind KG
    • Peter Faerber
    • B28 - WORKING CEMENT, CLAY, OR STONE