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公开(公告)号：US3405304A
公开(公告)日：1968-10-08
申请号：US57149866
申请日：1966-08-10
Applicant: WESTINGHOUSE ELECTRIC CORP
Inventor： GILLIES WALLACE , YAMASAKI GEORGE KIYOSHI
IPC: H01J17/06
CPC classification number: H01J17/066 , H01J2893/0066
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