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一种综采工作面回撤多余液压支架方法
- Release time:2020-10-30
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Affilication of Author(s):
矿业工程学院Disigner of the Invention:
曹新奇,zhangdongshengNote:
曹新奇,张东升Type of Patent:
国内State of Patent:
专利授权Application Number:
201110150874.1Number of Inventors:
3Service Invention or Not:
noApplication Date:
2011-06-07Authorization Date:
2013-04-03First Author:
Ma Liqiang
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