TREA

Antoni J. Mulhof

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  • Wierden, NL
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Patents Grantslast 30 patents

  • Information Patent Grant

    Method of forming a ridge in a tube member
    • Patent number 4,748,836
    • Issue date Jun 7, 1988
    • Ultra-Centrifuge Nederland N.V.
    • Willebrordus C. Hoeboer
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...