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Dieter Thielmann

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  • Willebadessen, DE
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Patents Grantslast 30 patents

  • Information Patent Grant

    Mandrel for bending pipes
    • Patent number 4,916,952
    • Issue date Apr 17, 1990
    • Benteler Aktiengesellschaft
    • Dieter Thielmann
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...