QM

Qingmin Meng

CC Crrc Qiqihar Rolling Stock Co.: 1 patents #1 of 6Top 20%
📍 Qiqihar, CN: #1 of 2 inventorsTop 50%
Overall (2017): #276,058 of 506,227Top 55%
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, Changchun Wang 2017-07-18