WK

Weigang Kong

CC Crrc Qiqihar Rolling Stock Co.: 1 patents #15 of 51Top 30%
📍 Qiqihar, CN: #18 of 28 inventorsTop 65%
Overall (All Time): #2,802,644 of 4,157,543Top 70%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
10710613 Railway freight car bogie Zhenming Liu, Shifeng Xu, Xinqiang Liu, Shanchao Xu 2020-07-14