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Hans Genreith

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  • Duren, DE
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  • Information Patent Grant

    Stop valve for pipe bridge
    • Patent number 5,116,022
    • Issue date May 26, 1992
    • Zimmermann & Jansen GmbH
    • Hans Genreith
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...