Multi-purpose geography research and measurement ruler

CN309968326SActive Publication Date: 2026-05-08YUNNAN NORMAL UNIV
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Designs(China)
Current Assignee / Owner
YUNNAN NORMAL UNIV
Filing Date
2025-11-14
Publication Date
2026-05-08

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Abstract

1. The name of the design product: multi-purpose geography research and measurement ruler. 2. The use of the design product: the design is used for geography research and mapping. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective drawing.
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