DW

Dafei Wu

CP China National Petroleum: 1 patents #1 of 19Top 6%
📍 Jing County, CN: #1 of 4 inventorsTop 25%
Overall (2016): #420,819 of 481,213Top 90%
1
Patents 2016

Issued Patents 2016

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
9316069 Guide device for coiled tubing Sanpo Zhang, Tieli Liu, Zaisi Zhu, Gang Luo 2016-04-19