合材料灌浆料加固钢套管连接结构
Release Time:2025-04-30
Hits:
- Title:
- 合材料灌浆料加固钢套管连接结构
- Disigner of the Invention:
- 孙清，曹盼盼
- Type of Patent:
- Utility models
- Application Number:
- ZL 2017 2 0901500.1
- Service Invention or Not:
- No
- Application Date:
- 2018-02-07
- Date:
- 2025-04-30
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