teaching aid (seismograph)
CN309723755SActive Publication Date: 2026-01-06BEIJING XINTANG SICHUANG EDUCATIONAL TECH CO LTD
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Patent Information
- Application Number
- CN202530309314.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Designs(China)
- Current Assignee / Owner
- Filing Date
- 2025-05-30
- Publication Date
- 2026-01-06
- Estimated Expiration
- 2040-05-30
Smart Images
Figure 000007_ABST
Abstract
1. Name of the designed product: teaching aid (seismograph). 2. Use of the designed product: teaching aid for helping students to understand the structure of ancient seismograph. 3. Design points of the designed product: in shape. 4. Picture or photo best indicating the design points: perspective view 1.
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