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Rolf Eisenmann

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  • Krefeld, DE
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  • Information Patent Grant

    Forging die
    • Patent number 4,649,731
    • Issue date Mar 17, 1987
    • Thyssen Industrie AG, Schmiedetechnik/Bergbautechnik
    • Rolf Eisenmann
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...