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公开(公告)号：US2919429A
公开(公告)日：1959-12-29
申请号：US46451654
申请日：1954-10-25
Applicant: IBM
Inventor： HAMILTON FRANCIS E , HUGHES JR ERNEST S , SMITH CHARLES B , FURR ARCHIE L
IPC: G06F3/08
CPC classification number: G06F3/08
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