HD

Hui Ding

CC Crrc Qingdao Sifang Rolling Stock Research Institute Co.: 1 patents #3 of 35Top 9%
📍 Qingdao, CN: #28 of 146 inventorsTop 20%
Overall (2017): #397,313 of 506,227Top 80%
1
Patents 2017

Issued Patents 2017

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
9540221 Self-adjusting supporting head Minghai Wang, Yong Wang, Xiaolei Zhao 2017-01-10