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公开(公告)号：US2565991A
公开(公告)日：1951-08-28
申请号：US6764848
申请日：1948-12-28
Applicant: RCA CORP
Inventor： ROSE JR GEORGE MCNEILL
CPC classification number: H03F3/54
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公开(公告)号：US2918598A
公开(公告)日：1959-12-22
申请号：US66425057
申请日：1957-06-07
Applicant: RCA CORP
Inventor： ROSE JR GEORGE MCNEILL , JOHN HELWIG WILLIAM
IPC: H01J19/28
CPC classification number: H01J19/28 , H01J2893/0013
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