Patents
预埋分布式光纤的锚固体制作装置及方法
Release time:2021-09-14
Hits:
- Type of Patent:
- 国家发明专利
- Application Number:
- 202110353048.0
- Service Invention or Not:
- no
- Application Date:
- 2021-04-01
- First Author:
- Kai Guan
Pre One:一种井下电视图像方位矫正方法
Next One:全长多点楔胀式管缝锚杆
