Blackboard eraser

CN309347457SActive Publication Date: 2025-06-20ZHEJIANG OCEAN UNIV
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Patent Information

Application Number
CN202430701519.7
Authority / Receiving Office
CN · China
Patent Type
Designs(China)
Current Assignee / Owner
Filing Date
2024-11-06
Publication Date
2025-06-20
Estimated Expiration
2039-11-06

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Abstract

1. Name of the design product: Blackboard eraser. 2. Use of the design product: For wiping the blackboard. 3. Design key points of the design product: Lies in the shape. 4. Picture or photo that best shows the design key points: Stereogram.
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