ZW

Zhou Wenhua

ZC Zhejiang Sanou Machinery Co.: 1 patents #4 of 8Top 50%
Overall (All Time): #3,408,112 of 4,157,543Top 85%
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
7000926 Manually tightened drill chuck — 2006-02-21