Patents
High-gas Coal Seam Group Pressure Relief Mining Method Based on Gob-side Entry Retaining in the First Mining Whole Rock Pressure Relief Working Face
- School Sign:第一单位
- Disigner of the Invention:胡伟超,张农,安衍培
- Type of Patent:国内
- State of Patent:专利授权
- Application Number:AU20211106068
- Service Invention or Not:no
- Application Date:2021-08-20
- Authorization Date:2021-10-13
- First Author:zhaoyiming