QY

Qingtao Yang

📍 Luoyang, CN: #1 of 7 inventorsTop 15%
Overall (2020): #310,510 of 565,922Top 55%
1
Patents 2020

Issued Patents 2020

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
10829692 Automatic dehydration, extraction and transportation apparatus for petroleum coke Genchang Yang, Zhiping Liu 2020-11-10