一种具有超高强度微合金化渗碳齿轮钢及其制备方法
Release time:2022-09-01
Hits:
- Type of Patent:
- 国家发明专利
- State of Patent:
- Authorized patents
- Authorization number:
- ZL 2021 1 0703781.0
- Number of Inventors:
- 3
- Service Invention or Not:
- no
- Authorization Date:
- 2021-12-31
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