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Coal seam gas parameter detection method and device based on dead space pressure conversion

  • Release time:2024-09-01
  • Hits:
  • 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: 

    liujingjing,lvbiao,anhaoxue,chengyuanping,chupeng,luyanfei
  • Type of Patent: 

    Utility models
  • Application Number: 

    CN 201921139615.7
  • Authorization number: 

    ZL 201921139615.7
  • Number of Inventors: 

    7
  • Service Invention or Not: 

    no
  • Application Date: 

    2019-07-19
  • Authorization Date: 

    2020-04-21
  • First Author: 

    Qingquan Liu