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公开(公告)号：US2901650A
公开(公告)日：1959-08-25
申请号：US56177356
申请日：1956-01-27
Applicant: RCA CORP
Inventor： HENRY BARKOW WILLIAM , CHARLES MATTHEWS CLIFFORD
IPC: H01J29/76
CPC classification number: H01J29/762 , H01J2229/7031
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