YM

Yongjiang Ma

CC Crrc Tangshan Co.: 1 patents #5 of 46Top 15%
📍 Tangshan City, CN: #6 of 42 inventorsTop 15%
Overall (2024): #206,266 of 561,600Top 40%
1
Patents 2024

Issued Patents 2024

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
12129603 Ground rail transfer device and gauge changing system Xiaojun Zhang, Jianke Zheng, Lijun Zhang, Hongjiang Xu, Xiuyu Sun +5 more 2024-10-29