LS

Lihang Su

📍 Changzhi, CN: #1 of 5 inventorsTop 20%
Overall (All Time): #3,391,385 of 4,157,543Top 85%
1
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
7246801 Self-tightening keyless chuck Xianming Tian, Huijun Pei, Qiaoyu Xu 2007-07-24