Patents
一种适应不同钻孔直径的自行进窥视探头及窥视方法
- 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
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Next One: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