TREA

John Robert De Wit

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  • McDowall, AU
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Patents Grantslast 30 patents

  • Information Patent Grant

    Flow control valve
    • Patent number 8,689,825
    • Issue date Apr 8, 2014
    • Oxycheck Pty Ltd
    • Peter James Nelson
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...