exhaust duct

CN309548961SActive Publication Date: 2025-10-17SICHUAN FIRE RES INST OF MEM
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Patent Information

Application Number
CN202530075914.3
Authority / Receiving Office
CN · China
Patent Type
Designs(China)
Current Assignee / Owner
Filing Date
2025-02-21
Publication Date
2025-10-17
Estimated Expiration
2040-02-21

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Abstract

1. Name of the designed product: smoke exhaust duct. 2. Use of the designed product: for smoke exhaust. 3. Design points of the designed product: in shape. 4. Picture or photo best indicating the design points: front view.
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