WD

Wenqi DONG

CC China Railway Tunnel Group Co.: 1 patents #1 of 26Top 4%
Overall (2022): #215,016 of 548,613Top 40%
1
Patents 2022

Issued Patents 2022

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
11484912 Active sorting muck-collecting device for slurry balancing shield Jian Ma, Yunfeng Wang, Yushuang Wang, Minghui Liu, Guangpu Zhang +7 more 2022-11-01