深井高应力煤岩阶梯形滚筒
- Disigner of the Invention:杜长龙,薛玉刚,lijianping,jianghongxiang,刘晓辉,刘增辉,韩栋栋
- State of Patent:专利授权
- Application Number:2016/05542
- Authorization number:2016/05542
- Number of Inventors:8
- Service Invention or Not:no
- Application Date:2015-05-12
- Authorization Date:2018-03-28
- First Author:LIU Songyong
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