TREA

Erling Kleppe

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  • Jorpeland, NO
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Patents Applicationslast 30 patents

  • Information Patent Application

    Fluid injection device
    • Publication number 20130133896
    • Publication date May 30, 2013
    • PETROLEUM TECHNOLOGY COMPANY AS
    • Magnar Tveiten
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    Bellows valve
    • Publication number 20120125621
    • Publication date May 24, 2012
    • PETROLEUM TECHNOLOGY COMPANY AS
    • Oyvind Stokka
    • E21 - EARTH DRILLING MINING