QL

Qunzhuo Li

NU Northwest A & F University: 1 patents #5 of 34Top 15%
Overall (All Time): #2,674,813 of 4,157,543Top 65%
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
11421764 Curved groove ball bearing mechanism Kangquan Guo, Fang Gu 2022-08-23