Patents

Current position: Home > Scientific Research > Patents

瓦斯排放巷穿层钻孔区域瓦斯抽采方法

  • Release time:2023-03-20
  • Hits:

  • Authorization number: 

    ZL202111364492.9

  • Service Invention or Not: 

    no

  • Application Date: 

    2023-01-10
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