Housing for respiratory filter unit for human use

CN309459161SActive Publication Date: 2025-08-22JSP LTD
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Patent Information

Application Number
CN202460000889.4
Authority / Receiving Office
CN · China
Patent Type
Designs(China)
Current Assignee / Owner
Priority Date
2022-11-09
Filing Date
2023-05-05
Publication Date
2025-08-22
Estimated Expiration
2038-05-05

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