Pre-filter dust exhaust fan blade

CN309116154SActive Publication Date: 2025-02-14王立娜
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Patent Information

Application Number
CN202430429855.0
Authority / Receiving Office
CN · China
Patent Type
Designs(China)
Current Assignee / Owner
Filing Date
2024-07-10
Publication Date
2025-02-14
Estimated Expiration
2039-07-10

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Abstract

1. The name of this design product: Pre-filter dust exhaust fan blade. 2. Purpose of this design product: used as dust exhaust fan blades for pre-filters. 3. The design key point of this appearance design product lies in the shape. 4. The picture or photo that best illustrates the key points of the design: main view.
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