Mathematical drawing scale

CN310155966SActive Publication Date: 2026-08-18邓雅心
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Patent Information

Application Number
CN202630069685.9
Authority / Receiving Office
CN · China
Patent Type
Designs(China)
Current Assignee / Owner
Filing Date
2026-02-06
Publication Date
2026-08-18
Estimated Expiration
2041-02-06

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Abstract

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