一种砂轮基体用铜钛合金及制备方法
Release time:2025-03-07
Hits:
- Type of Patent:
- 国家发明专利
- State of Patent:
- Authorized patents
- Authorization number:
- ZL201910262283.X
- Service Invention or Not:
- no
- Authorization Date:
- 2020-09-08
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