DQ

De Quan

CC Crrc Tangshan Co.: 1 patents #32 of 151Top 25%
📍 Tangshan City, CN: #35 of 143 inventorsTop 25%
Overall (All Time): #2,695,771 of 4,157,543Top 65%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
11511712 Train compartment brake control method, train compartment, and train Shujun Chen, Jiaying Qin, Zhonghua Liu, Yingyu Zhang, Chuan MA +5 more 2022-11-29