QC

Qiangqiang Cheng

Overall (2019): #308,485 of 560,194Top 60%
1
Patents 2019

Issued Patents 2019

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
10302593 Method for detecting defect of pipe, device for detecting defect of pipe, apparatus for detecting defect of pipe Runqiao Yu, Bin Zhang, Bo Hu, Guisuo Xia, Dongfang Cheng 2019-05-28