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公开(公告)号：US3372378A
公开(公告)日：1968-03-05
申请号：US36271064
申请日：1964-04-27
Applicant: IBM
Inventor： DEVORE ERNEST W , SMITH ROY J , TYRRELL JOHN M
CPC classification number: G06F9/30094 , G06F3/06 , G06F3/0601 , G06F9/30058 , G06F2003/0698
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