Negative pressure fan blades

CN309173815SActive Publication Date: 2025-03-14河南澈蓝环保技术有限公司
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Patent Information

Application Number
CN202430493519.2
Authority / Receiving Office
CN · China
Patent Type
Designs(China)
Current Assignee / Owner
Filing Date
2024-08-05
Publication Date
2025-03-14
Estimated Expiration
2039-08-05

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Abstract

1. The name of this design product: negative pressure fan blade. 2. Purpose of this design product: used for blades of negative pressure fans. 3. The design key point of this appearance design product lies in the shape. 4. The picture or photo that best illustrates the design points: three-dimensional picture.
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