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公开(公告)号：US3018400A
公开(公告)日：1962-01-23
申请号：US83564359
申请日：1959-08-24
Applicant: THOMAS ELECTRONICS INC
Inventor： NAVATTA CONO S , SMITH GEORGE E , ETLINGER HENRY L
IPC: H01J29/82
CPC classification number: H01J29/82
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