Patents
方便钻杆换接的五钻头螺旋钻采煤装置
- Affilication of Author(s):机电工程学院
- Disigner of the Invention:LIU Songyong,董子昂,高魁东,江红祥,刘晓辉
- Type of Patent:国内
- State of Patent:专利授权
- Application Number:201310435032.X
- Number of Inventors:6
- Service Invention or Not:no
- Application Date:2013-09-23
- Authorization Date:2015-05-20
- First Author:cuixinxia
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