QY

Qinghua Yu

Overall (2018): #272,043 of 503,207Top 55%
1
Patents 2018

Issued Patents 2018

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
10113107 Method for preparing self-suspending fracturing proppant Minjie Rong, Yongsheng Xu 2018-10-30