ZZ

Zhen Zhu

QC Qiqihar Railway Rolling Stock Co.: 1 patents #26 of 48Top 55%
Overall (All Time): #3,234,869 of 4,157,543Top 80%
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
8336464 Freight car bogie and freight car Shuming Xing, Zhenming Liu, Shifeng Xu, Haibin Hu, Wendong Shao +1 more 2012-12-25