QL

Qinfeng Li

Overall (2019): #308,250 of 560,194Top 60%
1
Patents 2019

Issued Patents 2019

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
10518310 Bending mold device for bidirectional pipe bending Wenxian Tang, Jian Zhang, Hui Zhu, Hongcai Lin, Yang Zhang +1 more 2019-12-31