QL

Qingzhao Li

CT China University Of Mining And Technology: 1 patents #32 of 121Top 30%
Overall (2018): #272,411 of 503,207Top 55%
1
Patents 2018

Issued Patents 2018

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
10022668 Self-regenerative integrated device for synergetic oxidation of low-concentration gas and ventilation gas in coal mine Baiquan Lin 2018-07-17