CG

Changna Guo

Overall (All Time): #2,421,315 of 4,157,543Top 60%
1
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
12321167 Moving target positioning capability testing device and testing method for coal mine Long Ma, Kun Fang, Xu Qian, Zhenxin Li, Mingying Xu +4 more 2025-06-03