CW

Changchun Wang

CC Crrc Qiqihar Rolling Stock Co.: 1 patents #1 of 6Top 20%
Overall (2017): #458,285 of 506,227Top 95%
1
Patents 2017

Issued Patents 2017

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
9707981 Car-coupler buffer and rail way car Xiaolong Wang, Yuebin Yu, Haibin Hu, Long Chen, Qingmin Meng 2017-07-18