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公开(公告)号：US2379828A
公开(公告)日：1945-07-03
申请号：US34722640
申请日：1940-07-24
Applicant: IBM
Inventor： RUBIDGE DAVID W , MANNING CLARENCE R , HOOD JAMES D , GREENE JAMES B
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公开(公告)号：US2445636A
公开(公告)日：1948-07-20
申请号：US45689042
申请日：1942-09-01
Applicant: IBM
Inventor： RUBIDGE DAVID W , MANNING CLARENCE R , GREENE JAMES B , DEK HOOD JAMES
CPC classification number: B65H39/115
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