Patents
一种变形吸能锚环和防止锚杆断裂弹射的锚杆支护装置及方法
- School Sign:第一单位
- Disigner of the Invention:汪明坤,张农,何青源
- Type of Patent:国内
- State of Patent:专利授权
- Application Number:201910026998.3
- Service Invention or Not:no
- Application Date:2019-01-11
- Authorization Date:2020-01-10
- First Author:Xiaowei Feng
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