Fire check valve for kitchen public exhaust duct
CN309506751SActive Publication Date: 2025-09-19HANGZHOU SIMTONE ELECTRICAL APPLIANCE EQUIP
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Patent Information
- Application Number
- CN202530064878.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Designs(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-14
- Publication Date
- 2025-09-19
- Estimated Expiration
- 2040-02-14
Smart Images
Figure 000007_ABST
Abstract
1. The name of this design product: fire check valve for kitchen public exhaust duct. 2. Application of this design product: used for fire-proof check valve. 3. The key design point of this design product lies in the combination of shape and pattern. 4. The picture or photo that best illustrates the design points: Stereoscopic drawing 1.
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