BQ

Biwen Qiu

Overall (All Time): #3,131,778 of 4,157,543Top 80%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
8870001 Mobile counterweight equipment of crawler crane and the crane including the equipment Linrui Sun, John M. Lanning, Liangjian Li, Hua Wan, Hui GUO 2014-10-28