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公开(公告)号:US3134097A
公开(公告)日:1964-05-19
申请号:US47746854
申请日:1954-12-24
Applicant: IBM
Inventor: STEVENS LOUIS D , GODDARD WILLIAM A , LYNOTT JOHN J
CPC classification number: G06F3/08 , G11B5/5521 , G11B25/043
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公开(公告)号:US3020805A
公开(公告)日:1962-02-13
申请号:US72439058
申请日:1958-03-27
Applicant: IBM
Inventor: GODDARD WILLIAM A
IPC: G06K1/12
CPC classification number: G06K1/126
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公开(公告)号:US3092823A
公开(公告)日:1963-06-04
申请号:US72597858
申请日:1958-04-02
Applicant: IBM
Inventor: MARTIN HAROLD F , TIDBALL LLOYD C , GODDARD WILLIAM A
IPC: G06F3/08
CPC classification number: G06F3/08
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