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公开(公告)号:DE2308859A1
公开(公告)日:1973-09-20
申请号:DE2308859
申请日:1973-02-22
Applicant: IBM
Inventor: BUCKINGHAM BRIAN REGINALD STUA , MAUGHAN WILLIAM DOUGLAS , MIDDLETON BRIAN HARLAND , WALKER LIONEL ROBERT
IPC: G06F9/22 , G06F9/24 , G06F9/18