closed bell jar

CN309676071SActive Publication Date: 2025-12-16SHANDONG FENGXIN SCI & TECH DEV CO LTD
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Patent Information

Application Number
CN202530150753.X
Authority / Receiving Office
CN · China
Patent Type
Designs(China)
Current Assignee / Owner
Filing Date
2025-03-25
Publication Date
2025-12-16
Estimated Expiration
2040-03-25

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Abstract

1. The name of the design product: closed air cover. 2. The use of the design product: closed air cover for papermaking machine. 3. The design points of the design product: in shape. 4. The picture or photo that best shows the design points: assembly state perspective view. 5. The bottom view of the design product is not easy to see or not visible when in use, omitting assembly 1 bottom view, assembly 2 bottom view and assembly state bottom view.
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