QL

Qing Lv

Overall (2024): #306,696 of 561,600Top 55%
1
Patents 2024

Issued Patents 2024

Showing 1–1 of 1 patents

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