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公开(公告)号：US3250605A
公开(公告)日：1966-05-10
申请号：US30945363
申请日：1963-09-17
Applicant: SONY CORP
Inventor： YOSHIO MATSUMOTO , YASUYOSHI NEMOTO , KOSAKU SUZUKI
IPC: C03B23/217 , C03B25/02 , H01J5/24
CPC classification number: C03B25/02 , C03B23/217 , H01J5/24 , H01J2893/0039
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