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公开(公告)号：US3122724A
公开(公告)日：1964-02-25
申请号：US3692460
申请日：1960-06-17
Applicant: IBM
Inventor： FELTON BRUCE C , HOFFMAN JR HARRY S , MARTELLO ANTHONY S
IPC: G06F11/00
CPC classification number: G06F11/0754
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