QL

Qirong Lu

ZC Zhejiang Sanou Machinery Co.: 1 patents #4 of 8Top 50%
Overall (All Time): #2,850,675 of 4,157,543Top 70%
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
10252347 Self-locking drill chuck Wenhua Zhou 2019-04-09