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公开(公告)号:US3015441A
公开(公告)日:1962-01-02
申请号:US68201657
申请日:1957-09-04
Applicant: IBM
Inventor: RENT EDWARD F , POWELL FLAVIUS M
IPC: G06F9/355
CPC classification number: G06F9/355
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公开(公告)号:US3355722A
公开(公告)日:1967-11-28
申请号:US44950065
申请日:1965-04-20
Applicant: IBM
Inventor: GRUBB HAROLD R , HASKELL JOHN W , LORD PHILIP A , RENT EDWARD F
IPC: G11C17/04
CPC classification number: G11C17/04
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公开(公告)号:US3017092A
公开(公告)日:1962-01-16
申请号:US68248757
申请日:1957-09-06
Applicant: IBM
Inventor: RENT EDWARD F , POWELL FLAVIOUS M
IPC: G06F9/48
CPC classification number: G06F9/4812
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