HH

Hongwen Han

Overall (All Time): #2,745,098 of 4,157,543Top 70%
1
Patents All Time

Issued Patents All Time

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