XD

Xiao Dong

CC Crrc Qingdao Sifang Co.: 1 patents #114 of 309Top 40%
Overall (All Time): #1,825,707 of 4,157,543Top 45%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
11807281 Cab roof structure, cab and rail train Ye Zhang, Keming Shang, Honglei TIAN, Xin Jiang 2023-11-07
D885881 Door stopper 2020-06-02