GQ

Guizhi Qin

Overall (All Time): #2,710,239 of 4,157,543Top 70%
1
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Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
10920761 Pump-valve integrated mechanism Zujun Yin, Ruiwei CHI, Yang Liu, Jiapeng Zhang, Zhuo Xu 2021-02-16