HL

Hui Liu

CC Crrc Qingdao Sifang Rolling Stock Research Institute Co.: 1 patents #9 of 45Top 20%
📍 Lo Wu, CN: #553 of 1,037 inventorsTop 55%
Overall (2021): #428,546 of 548,734Top 80%
1
Patents 2021

Issued Patents 2021

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
11014584 Coupler telescopic apparatus and coupler Guangchao WANG, Qianqian Tian 2021-05-25