Patents
全长多点楔胀式管缝锚杆
Release time:2021-09-14
Hits:
- Type of Patent:
- 国家发明专利
- Application Number:
- ZL02109591.4
- Service Invention or Not:
- no
- Application Date:
- 2002-04-29
- Authorization Date:
- 2004-09-15
- First Author:
- tangchunan
Pre One:预埋分布式光纤的锚固体制作装置及方法
Next One:工程岩体三维空间结构建模与关键块识别方法
