YQ

Yingnan Quan

Overall (All Time): #2,552,125 of 4,157,543Top 65%
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
12163778 Measuring ruler with self-locking function Zhibo Zhang, Bai Yang, Penghui Chen, Zhihua Chen 2024-12-10