SY

Shengeun Yu

📍 Ashenli, CN: #5 of 9 inventorsTop 60%
Overall (All Time): #3,529,936 of 4,157,543Top 85%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6655224 Downward offset barbell type walking beam compositively balance oil pump Xiangyun Ji, Renquan Luo, Weidong Zhao, Yuzhen WEI, Wuanjiany Zhang 2003-12-02