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公开(公告)号：US3541475A
公开(公告)日：1970-11-17
申请号：US3541475D
申请日：1968-06-12
Applicant: RCA CORP
Inventor： GANGE ROBERT A , HSIEH PETER
CPC classification number: H03H7/38 , G11C11/44 , H03H7/42 , Y10S505/855
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