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提高巷道底板锚杆锚索成孔效率和锚固性能的装置及方法

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Affilication of Author(s):中国矿业大学煤炭精细勘探与智能开发全国重点实验室

Disigner of the Invention:王其洲,jingshengguo,王兴开

Type of Patent:国内

State of Patent:专利授权

Application Number:201310344968.1

Number of Inventors:4

Service Invention or Not:no

Application Date:2013-08-08

Authorization Date:2016-05-04

First Author:xiewenbing