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一种综采工作面撤架通道快速施工方法
- Release time:2020-10-30
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Affilication of Author(s):
矿业工程学院Disigner of the Invention:
金志远,王强,王广,王飞,孙海Type of Patent:
国内State of Patent:
专利授权Application Number:
201410191621.2Number of Inventors:
6Service Invention or Not:
noApplication Date:
2014-05-07Authorization Date:
2016-03-02First Author:
Ma Liqiang
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