Patents

Current position: Home > Scientific Research > Patents

地面水平定向钻孔注浆封堵覆岩导水裂隙主通道的保水方法

  • Release time:2023-09-01
  • Hits:

  • School Sign: 

    第一单位

  • Disigner of the Invention: 

    杨静,李全生,xujialin,maoxiaosong

  • Type of Patent: 

    国内

  • State of Patent: 

    专利授权

  • Application Number: 

    201810731632.3

  • Number of Inventors: 

    5

  • Service Invention or Not: 

    no

  • Application Date: 

    2018-07-05

  • Authorization Date: 

    2021-01-19

  • First Author: 

    jujinfeng
Address:No1,Daxue Road,Xuzhou,Jiangsu,221116,P.R.China    Email: master@cumt.edu.cn
All Rights Reserved by China University of Mining and Technology