HL

Hui Liu

CC Crrc Qingdao Sifang Rolling Stock Research Institute Co.: 1 patents #1 of 8Top 15%
📍 Lo Wu, CN: #823 of 1,974 inventorsTop 45%
Overall (2022): #427,603 of 548,613Top 80%
1
Patents 2022

Issued Patents 2022

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
11498596 Draft gear, coupler and draft gear and railway train Huaping Yang, Gengchang Xie, Shi Liu 2022-11-15