CQ

Chengwei Qin

CC Crrc Tangshan Co.: 1 patents #1 of 21Top 5%
📍 Tangshan City, CN: #1 of 13 inventorsTop 8%
Overall (2021): #496,331 of 548,734Top 95%
1
Patents 2021

Issued Patents 2021

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
11208123 Frame of bogie Lixin Zhang, Dehua Li, Shun Cao, Jingwei Chen 2021-12-28