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Method for controlling subsidence area caused by underground mining in adjoining open-pit mine

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

    第一单位
  • Disigner of the Invention: 

    jufeng,李开源,张雅珍,周成,崔慧栋,李强
  • Type of Patent: 

    国内
  • State of Patent: 

    专利授权
  • Application Number: 

    2017410432
  • Number of Inventors: 

    7
  • Service Invention or Not: 

    no
  • Application Date: 

    2019-05-18
  • Authorization Date: 

    2020-08-05
  • First Author: 

    chenyanlong