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General Machinery Plant of Liaohe Petroleum Exploration Bureau of CNPC

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  • Panjin City, CN
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Patents Grantslast 30 patents

  • Information Patent Grant

    Pre-sressed insulated tubing
    • Patent number 9,027,607
    • Issue date May 12, 2015
    • General Machinery Plant of Liaohe Petroleum Exploration Bureau of CNPC
    • Yaoqing Pan
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

  • Information Patent Application

    Pre-Sressed Insulated Tubing
    • Publication number 20120175007
    • Publication date Jul 12, 2012
    • General Machinery Plant of Liaohe Petroleum Exploration Bureau of CNPC
    • Yaoqing PAN
    • E21 - EARTH DRILLING MINING

Trademarklast 30 trademarks