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J urgen Berghoff

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  • Schwerte, DE
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Patents Grantslast 30 patents

  • Information Patent Grant

    Special-steel alloy chains and chain parts
    • Patent number 5,562,881
    • Issue date Oct 8, 1996
    • J.D. Theile GmbH & Co., KG
    • J urgen Berghoff
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...