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公开(公告)号:FR2455356A1
公开(公告)日:1980-11-21
申请号:FR8007143
申请日:1980-03-31
Applicant: RCA CORP
Inventor: RAALTE JOHN A VAN
IPC: H01J31/12 , H01J29/02 , H01J29/07 , H01J29/06 , G09F13/42 , H01J31/20
公开(公告)号:IT8021244D0
公开(公告)日:1980-04-08
申请号:IT2124480
申请日:1980-04-08
IPC: H01J31/12 , H01J29/02 , H01J29/07 , H01J