NZ

Ningchuan Zhang

Overall (2018): #288,548 of 503,207Top 60%
1
Patents 2018

Issued Patents 2018

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
9995086 Center-pillared full-face shaft drilling machine Hua Zhao, Jianbin Li, Kleuters Nikolaus, Wei Xiao, Xingjian Zhuo +4 more 2018-06-12