abacus

CN310054250SActive Publication Date: 2026-06-26赵幸幸
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Designs(China)
Current Assignee / Owner
赵幸幸
Filing Date
2025-12-10
Publication Date
2026-06-26

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Abstract

1. Name of the designed product: abacus. 2. Use of the designed product: teaching aid. 3. Design points of the designed product: shape. 4. Picture or photo best indicating the design points: perspective view 1.
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