Ventilation valve
CN309164909SInactive Publication Date: 2025-03-11马巾惠
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Patent Information
- Application Number
- CN202430458157.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Designs(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-22
- Publication Date
- 2025-03-11
- Estimated Expiration
- Not applicable · inactive patent
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Figure 000001_ABST
Abstract
1. The name of this design product: ventilation valve. 2. Purpose of the product of this design: used as a ventilation device installed on the wall of a fresh-keeping box. 3. The design key point of this appearance design product lies in the shape. 4. The picture or photo that best illustrates the design points: Stereoscopic diagram 1.
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