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一种精确延时预裂爆破强化抽采煤层瓦斯的方法

  • Release time:2020-10-30
  • Hits:

  • Affilication of Author(s): 

    矿业工程学院

  • Disigner of the Invention: 

    何文瑞,chendayong,xujialin,qinwei,朱怡然

  • Type of Patent: 

    国内

  • State of Patent: 

    专利授权

  • Application Number: 

    201510823716.6

  • Number of Inventors: 

    6

  • Service Invention or Not: 

    no

  • Application Date: 

    2015-11-24

  • Authorization Date: 

    2017-07-11

  • First Author: 

    huguozhong
Address:No1,Daxue Road,Xuzhou,Jiangsu,221116,P.R.China    Email: master@cumt.edu.cn
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