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基于弹簧激发震动波的井下煤层地震 CT 探测用可控震源

  • Release time:2020-10-30
  • Hits:
  • Type of Patent: 

    国际
  • State of Patent: 

    专利授权
  • Application Number: 

    201420717584.X
  • Number of Inventors: 

    1
  • Service Invention or Not: 

    no
  • Application Date: 

    2014-11-16
  • Authorization Date: 

    2015-07-15
  • First Author: 

    wangguifeng