一种四钻头钻式采煤机
- Affilication of Author(s):机电工程学院
- Disigner of the Invention:杜长龙,cuixinxia,付林,高魁东,王雅菊
- Note:杜长龙,崔新霞,付林,高魁东,王雅菊
- Type of Patent:国内
- State of Patent:专利撤回
- Application Number:201010142354.1
- Number of Inventors:6
- Service Invention or Not:no
- Application Date:2010-03-23
- First Author:LIU Songyong
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一种四钻头钻式采煤机
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