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公开(公告)号:US3119039A
公开(公告)日:1964-01-21
申请号:US4135960
申请日:1960-07-07
Applicant: PHILIPS CORP
Inventor: GUNTER ELVERS ERNST
IPC: H01J31/14
CPC classification number: H01J31/14
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公开(公告)号:US3237657A
公开(公告)日:1966-03-01
申请号:US25968563
申请日:1963-02-19
Applicant: PHILIPS CORP
Inventor: GUNTER ELVERS ERNST , KURT HIRSCH , CHRISTOPH ZYWIETZ
IPC: H01J19/00
CPC classification number: H01J19/00 , H01J2893/0026
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