Patents
煤矿巷道围岩变形监测装置
- Disigner of the Invention:李彦琪,wanzhijun,雷龙飞,陈思霖,史毛宁,刘月,张书荣,周嘉乐
- Type of Patent:国际
- State of Patent:专利授权
- Application Number:201920367070.9
- Number of Inventors:9
- Service Invention or Not:no
- Application Date:2019-03-21
- Authorization Date:2019-11-26
- First Author:chengjingyi
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