Chinese calligraphy ruler

CN309443645SActive Publication Date: 2025-08-15王芳
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Patent Information

Application Number
CN202530007036.1
Authority / Receiving Office
CN · China
Patent Type
Designs(China)
Current Assignee / Owner
Filing Date
2025-01-07
Publication Date
2025-08-15
Estimated Expiration
2040-01-07

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Abstract

1. The name of this design product: Chinese calligraphy ruler. 2. Purpose of this design product: This design product is used for hard pen calligraphy. 3. The key point of the design of this product lies in its shape. 4. The picture or photo that best illustrates the design points: three-dimensional picture.
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