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公开(公告)号：US2622222A
公开(公告)日：1952-12-16
申请号：US22323251
申请日：1951-04-27
Applicant: WESTINGHOUSE ELECTRIC CORP
Inventor： HAGEMAN AARON M , JENKINS EDWARD A , FRASER HUGH D
IPC: H01K1/38
CPC classification number: H01K1/38
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