YM

Yuhui Ma

Overall (All Time): #2,543,210 of 4,157,543Top 65%
1
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
12134939 Drilling device, and drilling construction method for an electric power iron tower foundation Jian Ma, Zhe Chen, Yunguo Yang, Wenwu Li, Gang Xu +3 more 2024-11-05