QS

Qihao Sun

CL Chervon (Hk) Limited: 1 patents #60 of 115Top 55%
Overall (All Time): #2,880,518 of 4,157,543Top 70%
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Patent #TitleCo-InventorsDate
9918428 Rotating assembly for grass trimmer Toshinari Yamaoka, Jianpeng Guo 2018-03-20