HH

Hongwen Han

Overall (2021): #431,273 of 548,734Top 80%
1
Patents 2021

Issued Patents 2021

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
11097709 Brake cylinder, brake clamp unit and rail vehicle Chunguang Bao, Junhua Zhu, Liqing Du, Qingbing GOU, Zhuomin Mei 2021-08-24