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一种近距煤层群保水开采方法
- Release time:2020-10-30
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Affilication of Author(s):
矿业工程学院Disigner of the Invention:
qinbotao,汪辉,孙海,金志远Type of Patent:
国内State of Patent:
专利授权Application Number:
201410715657.6Number of Inventors:
5Service Invention or Not:
noApplication Date:
2014-12-01Authorization Date:
2016-05-11First Author:
Ma Liqiang
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