chalkboard (blackboard)
CN309970447SActive Publication Date: 2026-05-08YUNNAN NORMAL UNIV
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Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Designs(China)
- Current Assignee / Owner
- YUNNAN NORMAL UNIV
- Filing Date
- 2025-11-20
- Publication Date
- 2026-05-08
Smart Images
Figure 000001_ABST
Abstract
1. The name of the design product: the board (contrast board). 2. The use of the design product: for the original text of classical Chinese explanation, contrast translation, for learning. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: front view.
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