一种协调质量的阻尼间隔棒
Release Time:2025-10-16
Hits:
- Title:
- 一种协调质量的阻尼间隔棒
- Disigner of the Invention:
- 孙清
- Type of Patent:
- Invent
- Application Number:
- 2020113959002
- Service Invention or Not:
- No
- Application Date:
- 2020-12-03
- Date:
- 2025-10-16
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