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公开(公告)号：US3273986A
公开(公告)日：1966-09-20
申请号：US21804262
申请日：1962-08-20
Applicant: PHILIPS CORP
Inventor： KURT ZUKOWSKI
IPC: C03B23/217 , C03B29/00 , H01J5/24
CPC classification number: C03B29/00 , C03B23/217 , H01J5/24 , H01J2893/0039
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