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Stefan Engers

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  • Marl, DE
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  • Information Patent Grant

    Snap hook, especially for mountain climbers
    • Patent number 4,819,304
    • Issue date Apr 11, 1989
    • Stubai-Werkzeugindustrie RGenMBH
    • Stefan Engers
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...