QX

Qiuhong XU

Overall (2020): #310,538 of 565,922Top 55%
1
Patents 2020

Issued Patents 2020

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
10690262 Water hammer-proof air valve and water hammer-proof exhaust method for in-use pipeline Jing Huang, Xinchun Gui, Jinpeng Tang, Jianguo Yin, Aihua Xie +1 more 2020-06-23