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Method for controlling subsidence area caused by underground mining in adjoining open-pit mine
- Release time:2023-09-01
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第一单位Disigner of the Invention:
jufeng,李开源,张雅珍,周成,崔慧栋,李强Type of Patent:
国内State of Patent:
专利授权Application Number:
2017410432Number of Inventors:
7Service Invention or Not:
noApplication Date:
2019-05-18Authorization Date:
2020-08-05First Author:
chenyanlong