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公开(公告)号：US3474976A
公开(公告)日：1969-10-28
申请号：US3474976D
申请日：1968-01-26
Applicant: WESTINGHOUSE ELECTRIC CORP
Inventor： RUSHING FRANK C , MURPHY BERNARD J JR , HAUSER RALPH I , SHEPHARD BASIL S
CPC classification number: H01Q1/1235 , F16H19/064
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