Mathematical drawing scale

CN310114019SActive Publication Date: 2026-07-24洪丹
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Designs(China)
Current Assignee / Owner
洪丹
Filing Date
2025-11-10
Publication Date
2026-07-24

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Abstract

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