mathematical curve board

CN309993382SActive Publication Date: 2026-05-22CHANGJI UNIV
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Designs(China)
Current Assignee / Owner
CHANGJI UNIV
Filing Date
2025-10-18
Publication Date
2026-05-22

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Abstract

1. Name of the design product: mathematical curve board. 2. Use of the design product: mathematical curve board for drawing work. 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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