Flue check valve
CN309640801SActive Publication Date: 2025-11-28WEIFANG NUOBANG ELECTRIC APPLIANCE CO LTD
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Patent Information
- Application Number
- CN202530227316.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Designs(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-24
- Publication Date
- 2025-11-28
- Estimated Expiration
- 2040-04-24
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Figure 000007_ABST
Abstract
1. The name of the design product: flue check valve. 2. The use of the design product: for flue exhaust, prevent smoke backflow, and isolate odor and harmful gas, prevent foreign matter and mosquito invasion. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view 1. 5. Other components that need to be explained: the design is a component product, including components 1, 2 and 3.
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