QB

Qingwei Ben

CT China University Of Mining And Technology: 1 patents #38 of 97Top 40%
Overall (2019): #308,549 of 560,194Top 60%
1
Patents 2019

Issued Patents 2019

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
10173846 Scraper conveyor chain tensioning device having sweeping function Shanguo Yang, Wei Li, Ning JIA, Linjiang Xia 2019-01-08