Mathematics teaching aids
CN309530834SActive Publication Date: 2025-10-03张景
View PDF 0 Cites 0 Cited by
Patent Information
- Application Number
- CN202530109082.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Designs(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-10
- Publication Date
- 2025-10-03
- Estimated Expiration
- 2040-03-10
Smart Images

Figure 000001_ABST
Abstract
1. Name of this design product: Mathematics teaching aids. 2. Purpose of the product of this design: A compass used in mathematics teaching to draw circles and arcs. 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.
Need to check novelty before this filing date? Find Prior Art