Duct ventilation fan

CN310002242SActive Publication Date: 2026-05-26郑海燕
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Designs(China)
Current Assignee / Owner
郑海燕
Filing Date
2025-11-03
Publication Date
2026-05-26

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Abstract

1. Name of the product in this design: Duct ventilation fan. 2. Purpose of this design: for ventilation, exhaust, air circulation, and air exchange. 3. The key design feature of this product is its shape. 4. The picture or photo that best illustrates the key design points: Design 1 3D diagram 1. 5. Design 1 is designated as the basic design.
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