Gnomon teaching aid
CN309838912SActive Publication Date: 2026-03-10陈莹雪
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Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Designs(China)
- Current Assignee / Owner
- Filing Date
- 2025-08-06
- Publication Date
- 2026-03-10
Smart Images
Figure 000001_ABST
Abstract
1. The name of the design product: sundial teaching aid. 2. The use of the design product: judging time by observing the shadow caused by the sun. 3. The design points of the design product: in shape. 4. The picture or photo that best shows the design points: perspective drawing.
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