Rear stopper needle screw

CN309707572SActive Publication Date: 2025-12-30SHANGHAI YUDUN BUILDING MATERIALS CO LTD
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Patent Information

Application Number
CN202530160554.7
Authority / Receiving Office
CN · China
Patent Type
Designs(China)
Current Assignee / Owner
Filing Date
2025-03-28
Publication Date
2025-12-30
Estimated Expiration
2040-03-28

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Abstract

1. The name of the design product: rear water stop needle screw. 2. The use of the design product: concrete leakage repair. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view.
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