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Manfred Hien

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  • Saarbrucken, DT
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Patents Grantslast 30 patents

  • Information Patent Grant

    Roll mount for plug rolling mill
    • Patent number 4,009,610
    • Issue date Mar 1, 1977
    • Mannesmann Aktiengesellschaft
    • Manfred Hien
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...