TREA

Olivier Lefevre

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  • Drogenbos, BE
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Patents Grantslast 30 patents

  • Information Patent Grant

    Core drill
    • Patent number 6,394,196
    • Issue date May 28, 2002
    • Halliburton Energy Services, Inc.
    • Philippe Fanuel
    • E21 - EARTH DRILLING MINING