TREA

Ole Gunnar Selvaag

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  • Oslo, NO
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Patents Grantslast 30 patents

  • Information Patent Grant

    Valve for controlling liquid flow
    • Patent number 4,186,764
    • Issue date Feb 5, 1980
    • Ole Gunnar Selvaag
    • Odd Ottersen
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...