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Gerhard Lembser

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  • Dusseldorf, DE
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Patents Grantslast 30 patents

  • Information Patent Grant

    Automatic closing device for a shut-off device
    • Patent number 5,913,326
    • Issue date Jun 22, 1999
    • Ruhrgas Aktiengesellschaft
    • Gerhard Lembser
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Shut-off device in the form of a ball valve
    • Patent number 4,749,002
    • Issue date Jun 7, 1988
    • Ruhrgas Aktiengesellschaft
    • Gerhard Lembser
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...