Math calculation board
CN309474550SActive Publication Date: 2025-09-02刘春浩 +4
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Patent Information
- Application Number
- CN202530032101.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Designs(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-17
- Publication Date
- 2025-09-02
- Estimated Expiration
- 2040-01-17
Smart Images
Figure 000007_ABST
Abstract
1. The name of this design product: Mathematical calculation board. 2. Purpose of this design product: This design product is used for mathematics teaching. 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: three-dimensional picture.
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