Mathematical teaching ruler

CN310019115SActive Publication Date: 2026-06-05QINGZHOU NO 2 MIDDLE SCHOOL IN SHANDONG PROVINCE
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Designs(China)
Current Assignee / Owner
QINGZHOU NO 2 MIDDLE SCHOOL IN SHANDONG PROVINCE
Filing Date
2025-11-24
Publication Date
2026-06-05

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Abstract

1. Name of the design product: mathematical teaching ruler. 2. Use of the design product: used for mathematical teaching drawing. 3. Design points of the design product: in shape. 4. Picture or photo best indicating the design points: perspective view 1.
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