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A regional approach to increase the permeability of coal seams with high gas content and low inherent permeability

  • Release time:2024-09-01
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  • Affilication of Author(s): 

    中国矿业大学

  • Scope of patent: 

    国内

  • School Sign: 

    第一单位

  • Disigner of the Invention: 

    sunjianzhong,chengyuanping,wangwei,zhouhongxing,Qingquan Liu

  • Type of Patent: 

    Invent

  • Application Number: 

    CN 201310339829.X

  • Authorization number: 

    ZL 201310339829.X

  • Number of Inventors: 

    6

  • Service Invention or Not: 

    no

  • Application Date: 

    2013-08-07

  • Authorization Date: 

    2015-11-18

  • First Author: 

    wanghaifeng
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