Patents
一种监测煤矿巷道变形的新型多点位移计
- School Sign:第一单位
- Disigner of the Invention:张农,谢正正,刘洋
- Type of Patent:国内
- State of Patent:专利授权
- Application Number:201811305508.1
- Authorization number:CN 109162699B
- Service Invention or Not:no
- Application Date:2018-11-05
- Authorization Date:2020-02-14
- First Author:Xiaowei Feng
Pre One:一种适用于锚固循环拉伸、动载拉伸测试的实验装置
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