Check valve
CN309198627SActive Publication Date: 2025-03-25孟素曼
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Patent Information
- Application Number
- CN202430433283.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Designs(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-11
- Publication Date
- 2025-03-25
- Estimated Expiration
- 2039-07-11
Smart Images
Figure 000007_ABST
Abstract
1. The name of this design product: check valve. 2. Purpose of this design product: Check valve for smoke exhaust duct. 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: three-dimensional picture. 5. Other situations that require explanation Other explanations: Part A of this design is made of transparent material.
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