焊接过程针状铁素体形核生长规律的测试及应用方法
Release time:2022-09-01
Hits:
- Type of Patent:
- 国家发明专利
- State of Patent:
- Authorized patents
- Authorization number:
- ZL 2020 1 1320003.5
- Number of Inventors:
- 5
- Service Invention or Not:
- no
- Authorization Date:
- 2021-10-29
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