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一种巷道顶板锚杆钻孔充填树脂药卷的装置
- Release time:2020-10-30
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Disigner of the Invention:
李晋平,李志杰,王彦林,赵克俭,岳太刚,张进忠,高继龙,刘权Note:
矿业学院 13645201296Type of Patent:
国际State of Patent:
专利授权Application Number:
201220710988.7Number of Inventors:
9Service Invention or Not:
noApplication Date:
2012-12-21Authorization Date:
2013-07-03First Author:
Ma Liqiang
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