TREA

Burkhard Schifferings

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  • Duisburg, DE
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Patents Grantslast 30 patents

  • Information Patent Grant

    Rolling mandrel changing device for a plug mill
    • Patent number 5,584,203
    • Issue date Dec 17, 1996
    • Mannesmann Aktiengesellschaft
    • Hans Eversberg
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...