rock cutter (expander)
CN309681072SActive Publication Date: 2025-12-19韩兴富
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Patent Information
- Application Number
- CN202530261695.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Designs(China)
- Current Assignee / Owner
- Filing Date
- 2025-05-12
- Publication Date
- 2025-12-19
- Estimated Expiration
- 2040-05-12
Smart Images
Figure 000003_ABST
Abstract
1. Name of the design product: Ore knife (change diameter). 2. Use of the design product: Used for changing diameter according to needs. 3. Design points of the design product: In shape. 4. Picture or photo that best shows the design points: Perspective view.
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