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公开(公告)号：US3249130A
公开(公告)日：1966-05-03
申请号：US25561863
申请日：1963-02-01
Applicant: PHILIPS CORP
Inventor： SAMUEL KELLY EARLE
IPC: H01J19/00
CPC classification number: H01J19/00 , H01J2893/0026
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公开(公告)号：US3252485A
公开(公告)日：1966-05-24
申请号：US38873964
申请日：1964-07-16
Applicant: PHILIPS CORP
Inventor： SAMUEL KELLY EARLE
IPC: H01J19/00
CPC classification number: H01J19/00 , H01J2893/0026
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