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Martin Kiessling

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  • Burbach, DE
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Patents Grantslast 30 patents

  • Information Patent Grant

    Method of manufacturing a hollow spindle
    • Patent number 5,881,946
    • Issue date Mar 16, 1999
    • Mannesmann Aktiengesellschaft
    • Franz Curten
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...