CL

Changlin Lan

PL Petrochina Company Limited: 1 patents #19 of 59Top 35%
Overall (2019): #511,739 of 560,194Top 95%
1
Patents 2019

Issued Patents 2019

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
10401311 Method and device for measuring formation elemental capture gamma ray spectra Hongliang Wu, Ning Li, Zhou Feng, Qingfu Feng, Kewen Wang 2019-09-03