TREA

Yuri Zhuravlev

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  • Swansea, GB
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Patents Grantslast 30 patents

  • Information Patent Grant

    Drill string telemetry
    • Patent number 6,445,307
    • Issue date Sep 3, 2002
    • Cryoton (UK) Limited
    • Dareyoush Rassi
    • E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents