TREA

Metallpraecis Berchem & Schaberg Gesellschaft fur Metallformgebung m.b.H.

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  • Gelsenkirchen-Uckendorf, DE
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Patents Grantslast 30 patents

  • Information Patent Grant

    Ball valve
    • Patent number 4,815,704
    • Issue date Mar 28, 1989
    • Metallpraecis Berchem & Schaberg Gesellschaft fur Metallformgebung m.b.H.
    • Rutger Berchem
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...