Fractional proportion slide rule
CN310046525SActive Publication Date: 2026-06-23袁雯雯
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Designs(China)
- Current Assignee / Owner
- 袁雯雯
- Filing Date
- 2025-12-15
- Publication Date
- 2026-06-23
Smart Images
Figure 000007_ABST
Abstract
1. Name of this design product: Fractional Ratio Sliding Demonstration Ruler. 2. Purpose of this design: To demonstrate fractional proportions. 3. The key design features of this product are the combination of shape and pattern. 4. The image or photograph that best illustrates the design's key points: 3D view 1.
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