YL

Yongsheng Li

Overall (2018): #87,354 of 503,207Top 20%
2
Patents 2018

Issued Patents 2018

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
10080334 Ecological hydroponics control system 2018-09-25
10082130 Heating device for bearing protection of wind power generator and bearing system Shengjun Ma, Chengqian Liu 2018-09-25