Teaching aid (mathematical demonstration quadrilateral)

CN309423304SActive Publication Date: 2025-08-05张国龙
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Patent Information

Application Number
CN202430796216.8
Authority / Receiving Office
CN · China
Patent Type
Designs(China)
Current Assignee / Owner
Filing Date
2024-12-16
Publication Date
2025-08-05
Estimated Expiration
2039-12-16

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Abstract

1. Name of this design product: Teaching aid (mathematical demonstration quadrilateral). 2. Purpose of this design product: This design product is used as a teaching aid to assist learning. 3. The key point of the design of this product lies in its shape. 4. The picture or photo that best illustrates the design points: combination state diagram.
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