煤矿井下矸石气力输送充填方法及设备
- Disigner of the Invention:lijianping,杨道龙,郑加强,郑克洪,刘晓辉,刘增辉
- Type of Patent:国内
- State of Patent:专利授权
- Application Number:201310178338.1
- Number of Inventors:7
- Service Invention or Not:no
- Application Date:2013-05-14
- Authorization Date:2015-06-10
- First Author:LIU Songyong
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