QJ

Qin Jifeng

EA Epcos Ag: 1 patents #321 of 606Top 55%
Overall (All Time): #3,601,738 of 4,157,543Top 90%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6326724 Gas-filled discharge gap assembly Wolfgang Däumer, Xiangyang Zou 2001-12-04