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控制覆岩裂隙和地表沉陷的保水开采充填接顶方法
- Release time:2020-10-30
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Affilication of Author(s):
矿业工程学院Disigner of the Invention:
金志远,余孝民,王飞,孙海Type of Patent:
国内State of Patent:
专利授权Application Number:
201410193757.7Number of Inventors:
5Service Invention or Not:
noApplication Date:
2014-05-08Authorization Date:
2016-02-10First Author:
Ma Liqiang
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