TREA

Equipment Engineering Company of Liaohe Petroleum Exploration Bureau, CNPC

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  • Liaoning, CN
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Patents Grantslast 30 patents

  • Information Patent Grant

    Scissors type vertical elevated substructure
    • Patent number 7,497,052
    • Issue date Mar 3, 2009
    • Equipment Engineering Company of Liaohe Petroleum Exploration Bureau, CNPC
    • Dexiang Hu
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Grant

    Gate type vertical elevated mast
    • Patent number 7,337,738
    • Issue date Mar 4, 2008
    • Equipment Engineering Company of Liaohe Petroleum Exploration Bureau, CNPC
    • Dexiang Hu
    • E04 - BUILDING

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