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一种煤层气水平井塌孔造洞穴卸压开采模拟试验方法

  • Release time:2023-09-01
  • Hits:
  • School Sign: 

    第一单位
  • Disigner of the Invention: 

    刘会虎,李自成,徐宏杰,贾金龙,高德燚,方辉煌,wangran,sangshuxun,caoliwen,Harrsion Huang,Perry,王鹤,王海文,刘长江
  • Type of Patent: 

    国内
  • State of Patent: 

    专利授权
  • Application Number: 

    201811266369.1
  • Number of Inventors: 

    15
  • Service Invention or Not: 

    no
  • Application Date: 

    2018-10-29
  • Authorization Date: 

    2021-07-27
  • First Author: 

    Liu Shiqi