硬岩掘进机截割部
- Disigner of the Invention:徐海乔,陈隆飞,刘晓辉,杜长龙,cuixinxia,刘增辉,jianghongxiang,高魁东,沈刚,tangwei
- State of Patent:专利授权
- Application Number:2632833
- Authorization number:2632833
- Number of Inventors:11
- Service Invention or Not:no
- Application Date:2015-04-28
- Authorization Date:2017-10-10
- First Author:LIU Songyong
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