测定较薄板材焊缝缺陷的对比反射体试块及方法
Release time:2024-08-09
Hits:
- Affilication of Author(s):
- 材料科学与工程学院
- Scope of patent:
- 国内
- Disigner of the Invention:
- 杨天宇,李杰
- Type of Patent:
- 发明专利
- State of Patent:
- 专利授权
- Application Number:
- 2018115449717
- Service Invention or Not:
- yes
- Application Date:
- 2018-12-17
- Authorization Date:
- 2024-03-15
- First Author:
- yangxiaodong
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