DL

Daoguang Liu

Overall (2021): #482,490 of 548,734Top 90%
1
Patents 2021

Issued Patents 2021

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
11034603 Multi plate screw press sludge dewatering machine Gangfan Sun, Wenbiao ZHANG 2021-06-15