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用巷道支护体固定的地震CT探测用自补偿可控震源

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

    国际
  • State of Patent: 

    专利授权
  • Application Number: 

    201420633886.9
  • Number of Inventors: 

    1
  • Service Invention or Not: 

    no
  • Application Date: 

    2014-10-30
  • Authorization Date: 

    2015-03-04
  • First Author: 

    wangguifeng