Rock strengthening and gas drainage borehole sealing device and method
- Affilication of Author(s):矿业工程学院
- Scope of patent:国外
- Disigner of the Invention:tushihao
- Type of Patent:国内
- State of Patent:专利授权
- Application Number:2022/02698
- Service Invention or Not:no
- Application Date:2022-03-07
- Authorization Date:2022-04-28
- First Author:Zanglei