QL

Qingsong Lu

CC Crrc Qingdao Sifang Rolling Stock Research Institute Co.: 1 patents #1 of 16Top 7%
📍 Tiantai County, CN: #1 of 1 inventorsTop 100%
Overall (2020): #310,840 of 565,922Top 55%
1
Patents 2020

Issued Patents 2020

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
10611386 Threaded interface buffer with anti-rotation structure Hui Liu, Minggang Li 2020-04-07