一种台阶内孔大深径比轴的加工工艺
Release Time:2025-04-30
Hits:
- Title:
- 一种台阶内孔大深径比轴的加工工艺
- Disigner of the Invention:
- 张琦
- Type of Patent:
- Invent
- Application Number:
- CN201510130470.4
- Service Invention or Not:
- No
- Application Date:
- 2020-01-01
- Date:
- 2025-04-30
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