HENNIGSDORFER STAHL ENGINEERING GMBH

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Patents Grantslast 30 patents

  • Information Patent Grant

    Device for pressurized water discharge pipe

    • Patent number 5,873,949
    • Issue date Feb 23, 1999
    • Hennigsdorfer Stahl Engineering GmbH
    • Franz Tamm
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...