Patents
具备锚固力分级预警且具往复柔性变形让压特性的锚具及方法
- Affilication of Author(s):矿业工程学院
- Scope of patent:国内
- Disigner of the Invention:庞华东,张农
- Type of Patent:国内
- State of Patent:专利授权
- Application Number:201910241118.4
- Service Invention or Not:no
- Application Date:2019-03-28
- Authorization Date:2020-05-22
- First Author:Xiaowei Feng
Pre One:一种适应不同钻孔直径的自行进窥视探头及窥视方法
Next One:一种预留卸压观测钻孔并联合注浆的两巷变形控制方法