Teaching aid (rotating wheel)

CN309417397SActive Publication Date: 2025-08-01CHANGCHUN CHINA OPTICAL SCI & TECH MUSEUM
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Patent Information

Application Number
CN202430758154.1
Authority / Receiving Office
CN · China
Patent Type
Designs(China)
Current Assignee / Owner
Filing Date
2024-11-29
Publication Date
2025-08-01
Estimated Expiration
2039-11-29

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Abstract

1. Name of the design product: Teaching aid (rotating wheel). 2. Use of the design product: Popular science teaching aid. 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. 5. The bottom surface of this design product is a part that is not easily seen or not seen during use, and the bottom view is omitted.
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