Patents
一种浅部采空区地表与地下相结合监测预警系统及方法
Release time:2021-09-14
Hits:
- Type of Patent:
- 国家发明专利
- Application Number:
- CN201811241095.0
- Service Invention or Not:
- no
- Application Date:
- 2018-10-24
- First Author:
- chengguanwen
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