Teaching model (demonstration model of stone arch bridge structure principle)
CN309530831SActive Publication Date: 2025-10-03HEBEI TIME DRAWER FURNITURE CO LTD
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Patent Information
- Application Number
- CN202530092565.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Designs(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-28
- Publication Date
- 2025-10-03
- Estimated Expiration
- 2040-02-28
Smart Images
Figure 000007_ABST
Abstract
1. Name of this design product: Teaching model (Stone Arch Bridge Structural Principle Demonstration Model). 2. Purpose of this design product: used as a teaching aid. 3. The key point of the design of this product lies in its shape. 4. The picture or photo that best illustrates the design points: three-dimensional picture.
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