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公开(公告)号：US2427597A
公开(公告)日：1947-09-16
申请号：US41742441
申请日：1941-11-01
Applicant: RCA CORP
Inventor： GARNER LLOYD P , BRICKER WALTER K
CPC classification number: H01J9/40 , H01J5/28 , H01J2893/0044 , Y10T29/49798 , Y10T29/49808
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