Quadrilateral learning teaching aid

CN309405911SActive Publication Date: 2025-07-25张国龙
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Patent Information

Application Number
CN202430794743.5
Authority / Receiving Office
CN · China
Patent Type
Designs(China)
Current Assignee / Owner
Filing Date
2024-12-13
Publication Date
2025-07-25
Estimated Expiration
2039-12-13

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Abstract

1. Name of the design product: Quadrilateral learning teaching aid. 2. Use of the design product: The design product is used as a teaching aid for assisting learning. 3. Design key points of the design product: Lies in the shape. 4. Picture or photo that best shows the design key points: Perspective view 1.
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