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公开(公告)号:US2947478A
公开(公告)日:1960-08-02
申请号:US50838255
申请日:1955-05-16
Applicant: IBM
Inventor: LENTZ JOHN J , PALMER JOHN H , DANIEL ROBBINS
IPC: G06F15/00
CPC classification number: G06F15/00
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公开(公告)号:CA599880A
公开(公告)日:1960-06-14
申请号:CA599880D
Applicant: IBM
Inventor: LENTZ JOHN J , ROBBINS DANIEL , PALMER JOHN H
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