negative pressure drainage device

CN309827386SActive Publication Date: 2026-03-03FUDAN UNIV SHANGHAI CANCER CENT
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Patent Information

Application Number
CN202530394369.4
Authority / Receiving Office
CN · China
Patent Type
Designs(China)
Current Assignee / Owner
Filing Date
2025-07-07
Publication Date
2026-03-03
Estimated Expiration
2040-07-07

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Abstract

1. Name of the product in this design: Negative pressure drainage device. 2. Purpose of this design: For attracting customers. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: a 3D model.
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