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一种浅埋近距离一侧采空煤柱下切眼位置的确定方法
- Release time:2020-10-30
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Affilication of Author(s):
物联网(感知矿山)研究中心Disigner of the Invention:
xujialin,zhuweibingType of Patent:
国内State of Patent:
专利授权Application Number:
201410291453.4Number of Inventors:
3Service Invention or Not:
noApplication Date:
2014-06-25Authorization Date:
2016-04-27First Author:
jujinfeng
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