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公开(公告)号：US2645724A
公开(公告)日：1953-07-14
申请号：US17008250
申请日：1950-06-24
Applicant: RCA CORP
Inventor： RAJCHMAN JAN A , ERIK STEMME
IPC: G11C11/23
CPC classification number: G11C11/23
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