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公开(公告)号：US2658681A
公开(公告)日：1953-11-10
申请号：US3807848
申请日：1948-07-09
Applicant: IBM
Inventor： PALMER RALPH L , FERNEKEES JAMES E , HADDAD JERRIER A , PHELPS BYRON E , WILLIAMS JR JAMES V
CPC classification number: G06F7/4985
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公开(公告)号：US2615629A
公开(公告)日：1952-10-28
申请号：US20034250
申请日：1950-12-12
Applicant: IBM
Inventor： DAYGER JONAS E , SHAFER ORVILLE B , WOODING EDWIN R , SARLEY JOSEPH M , WILLIAMS JR JAMES V
CPC classification number: G06F7/42
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