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基于弹簧激发震动波的井下煤层地震 CT 探测用可控震源和方法
- Release time:2020-10-30
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Disigner of the Invention:
gongsiyuan,doulinming,毛永,李振雷,He JiangType of Patent:
国内State of Patent:
专利授权Application Number:
201410686654.4Number of Inventors:
6Service Invention or Not:
noApplication Date:
2014-11-26Authorization Date:
2017-10-10First Author:
wangguifeng
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