QM

Qingmin Meng

CC Crrc Qiqihar Rolling Stock Co.: 1 patents #1 of 6Top 20%
📍 Qiqihar, CN: #1 of 4 inventorsTop 25%
Overall (2023): #291,091 of 537,848Top 55%
1
Patents 2023

Issued Patents 2023

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
11560161 Railway vehicle, coupler, and coupler body thereof Yingjun Cui, Yan Jiang, Pengdi JIN, Yan Wang, Changchun Wang 2023-01-24