Mathematical aid (counter)

CN309653295SActive Publication Date: 2025-12-05罗源
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Patent Information

Application Number
CN202530255746.6
Authority / Receiving Office
CN · China
Patent Type
Designs(China)
Current Assignee / Owner
Filing Date
2025-05-08
Publication Date
2025-12-05
Estimated Expiration
2040-05-08

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Abstract

1. Name of the designed product: mathematical teaching aid (counter). 2. Use of the designed product: an auxiliary tool used in mathematics teaching. 3. Design points of the designed product: in shape. 4. Picture or photo best indicating the design points: perspective view.
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