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1.Apparatus for reading information selectively from storage devices 失效
Title translation: 用于从存储设备中选择信息的设备公开(公告)号:US3423736A
公开(公告)日:1969-01-21
申请号:US37401164
申请日:1964-06-10
Applicant: IBM
Inventor: ASH WILLIAM W , KOSANKE KURT M , SINCERBOX GLENN T
CPC classification number: G11C17/005 , G02F1/31 , G11C13/04