HA

Hong An

Overall (2022): #430,833 of 548,613Top 80%
1
Patents 2022

Issued Patents 2022

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
11242075 Connection structure and system of integrated brake device for rail vehicle Bali Xiao, Keming Li, Chao Lv, Yanfei Shen, Lei Xie +14 more 2022-02-08