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一种采用红外辐射观测煤岩裂隙发育过程的装置及方法
- Release time:2020-10-30
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Affilication of Author(s):
矿业工程学院Disigner of the Invention:
孙海,姜亚永,梁继猛,于斌,匡铁军State of Patent:
专利授权Application Number:
9,964,475Authorization number:
9,964,475Number of Inventors:
6Service Invention or Not:
noApplication Date:
2014-11-19Authorization Date:
2018-05-08First Author:
Ma Liqiang
- Pre One:一种区段无煤柱开采方法