SD

Shengcai Duan

CC Crrc Qingdao Sifang Rolling Stock Research Institute Co.: 1 patents #1 of 28Top 4%
📍 Qingdao, CN: #78 of 263 inventorsTop 30%
Overall (2019): #275,435 of 560,194Top 50%
1
Patents 2019

Issued Patents 2019

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
10246110 Heavy freight train marshalling device and marshalling method, and electronically controlled pneumatic brake system Yanfen Xu, Jing Zhao 2019-04-02