Mathematics Teaching Ruler
CN309429903SActive Publication Date: 2025-08-08XIHE COUNTY VOCATIONAL SECONDARY SCHOOL
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Patent Information
- Application Number
- CN202430819472.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Designs(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-24
- Publication Date
- 2025-08-08
- Estimated Expiration
- 2039-12-24
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Figure 000003_ABST
Abstract
1. The name of this design product: Mathematics Teaching Ruler. 2. Purpose of this design product: A ruler used for teaching mathematical drawing. 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: Stereoscopic drawing 1.
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