Dust filter box

CN309059637SActive Publication Date: 2025-01-07SHANGHAI MITAO NANO TECH CO LTD
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Patent Information

Application Number
CN202430301716.X
Authority / Receiving Office
CN · China
Patent Type
Designs(China)
Current Assignee / Owner
Filing Date
2024-05-21
Publication Date
2025-01-07
Estimated Expiration
2039-05-21

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Abstract

1. The name of this design product: dust filter box. 2. Purpose of this design product: Dust filter box for respiratory protection mask. 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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