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公开(公告)号：US3172432A
公开(公告)日：1965-03-09
申请号：US13090761
申请日：1961-08-11
Applicant: WESTINGHOUSE ELECTRIC CORP
Inventor： HAWKEY CHARLES W , PETERSON JAMES E
IPC: H01K3/06
CPC classification number: H01K3/065
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