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公开(公告)号：US2800280A
公开(公告)日：1957-07-23
申请号：US43013654
申请日：1954-05-17
Applicant: IBM
Inventor： HAYNES MUNRO K , LAWRENCE WILLIAM W , WHITNEY GORDON E
IPC: G06F7/02
CPC classification number: G06F7/02
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