一种基于瓣式连接键的新型输电线路用岩石锚杆基础
Release Time:2025-10-16
Hits:
- Title:
- 一种基于瓣式连接键的新型输电线路用岩石锚杆基础
- Disigner of the Invention:
- 孙清
- Type of Patent:
- Invent
- Application Number:
- 2022110006367
- Service Invention or Not:
- No
- Application Date:
- 2022-09-19
- Date:
- 2025-10-16
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