PY

Pinwei Yin

CC Crrc Qiqihar Rolling Stock Co.: 1 patents #15 of 51Top 30%
📍 Qiqihar, CN: #18 of 28 inventorsTop 65%
Overall (All Time): #2,920,902 of 4,157,543Top 75%
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
10144437 Swing bolster, swing bolster vibration reduction assembly and bogie Shifeng Xu, Zhenming Liu, Derong Zhang, Hao Liang 2018-12-04