SL

Shanfei Li

CC Crrc Qingdao Sifang Co.: 1 patents #13 of 60Top 25%
📍 Shandong, CN: #90 of 381 inventorsTop 25%
Overall (2021): #262,608 of 548,734Top 50%
1
Patents 2021

Issued Patents 2021

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
11077870 Side sliding door of railway vehicle Wenbiao Li, Jiao Wang, Hong Li, Sansan Ding 2021-08-03