TREA

Gerhard Schutzer

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  • Stuhr, DE
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Patents Grantslast 30 patents

  • Information Patent Grant

    Check valve
    • Patent number 4,321,944
    • Issue date Mar 30, 1982
    • Gustav F. Gerdts KG
    • Gerhard Schutzer
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Flap valve
    • Patent number 4,196,745
    • Issue date Apr 8, 1980
    • Gustav F. Gerdts KG
    • Gerhard Schutzer
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...