-
1.Electron discharge device including cathode-focus electrode assemblies therefor 失效
Title translation: 电子放电装置包括阴极聚焦电极组件公开(公告)号:US3185882A
公开(公告)日:1965-05-25
申请号:US8286961
申请日:1961-01-16
Applicant: EITEL MCCULLOUGH INC
Inventor: DRYDEN VERNON W , JAMES BERTRAM G
IPC: H01J37/06
CPC classification number: H01J37/06