ridge valley discrimination model
CN309755637SActive Publication Date: 2026-01-27LUYUAN MIDDLE SCHOOL GAOLING DISTRICT XIAN CITY
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Patent Information
- Application Number
- CN202530334779.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Designs(China)
- Current Assignee / Owner
- Filing Date
- 2025-06-11
- Publication Date
- 2026-01-27
- Estimated Expiration
- 2040-06-11
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Figure 000001_ABST
Abstract
1. Name of this design product: Ridge and Valley Discrimination Model. 2. Purpose of this design: This design is intended for use in geography teaching. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key features: the front view.
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