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公开(公告)号:US3370193A
公开(公告)日:1968-02-20
申请号:US33942264
申请日:1964-01-22
Applicant: RCA CORP
Inventor: NACHBAR MILTON S
IPC: G21H5/00 , H01J5/02 , H01J5/08 , H01J7/44 , H01J19/00
CPC classification number: G21H5/00 , H01J5/02 , H01J5/08 , H01J7/44 , H01J19/00