QY

Qinghai Yang

PL Petrochina Company Limited: 1 patents #8 of 74Top 15%
Overall (2017): #275,828 of 506,227Top 55%
1
Patents 2017

Issued Patents 2017

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
9828831 Bridge type concentric continuously adjustable water distributor He Liu, Xiaohan Pei, Fuchao Sun, Lichen Zheng, Yang Gao 2017-11-28