TREA

Zhengsong Wu

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  • Chongqing, CN
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Patents Grantslast 30 patents

  • Information Patent Grant

    Method for roof drainage
    • Patent number 8,973,325
    • Issue date Mar 10, 2015
    • Chongqing University
    • Hongxiang Chai
    • E04 - BUILDING
  • Information Patent Grant

    Rainwater head
    • Patent number 8,950,123
    • Issue date Feb 10, 2015
    • Chongqing University
    • Hongxiang Chai
    • E04 - BUILDING