Patents
一种可调锏式释能锚杆
Release time:2021-09-14
Hits:
- Type of Patent:
- 国家实用新型专利
- Application Number:
- ZL201520821418.9
- Service Invention or Not:
- no
- Application Date:
- 2015-10-22
- Authorization Date:
- 2016-07-06
- First Author:
- Xingdong Zhao
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