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公开(公告)号:DE3380749D1
公开(公告)日:1989-11-23
申请号:DE3380749
申请日:1983-06-29
Applicant: IBM
Inventor: CUMMINGS KENNETH DEAN , GOULD DONALD ROBIN , GRAY FORREST CLIFTON , PEREIRA LAWRENCE WILLIAM
IPC: G06K15/00 , B41J2/485 , G06F3/12 , G06F17/21 , G06K15/02 , G09G5/24