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公开(公告)号：US3102999A
公开(公告)日：1963-09-03
申请号：US2035060
申请日：1960-04-06
Applicant: ERICSSON TELEFON AB L M
Inventor： BERNHARD BERNEMYR RUNE , HERBERT LINDBERG KARL GOSTA , GUNNAR MAGNUSSON BENGT , GUNNAR SVALA CARL
IPC: G11C17/02
CPC classification number: G11C17/02 , Y10T29/4902 , Y10T29/49069
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