Mathematical drawing ruler
CN310222760SActive Publication Date: 2026-09-22高超颖
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Patent Information
- Application Number
- CN202630077274.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Designs(China)
- Current Assignee / Owner
- Filing Date
- 2026-02-10
- Publication Date
- 2026-09-22
- Estimated Expiration
- 2041-02-10
Smart Images
Figure 000003_ABST
Abstract
1. Name of this design product: Mathematical Drawing Ruler. 2. Purpose of this design: This product is used for mathematical drawing, measurement, and auxiliary drawing. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: a 3D model.
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