LJ

Li Junwen

📍 Jilin, CN: #93 of 232 inventorsTop 45%
Overall (All Time): #3,933,605 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4851136 Method of and apparatus for filtering a medium Liu Fanqing, Yao Jixian 1989-07-25