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公开(公告)号:US2877450A
公开(公告)日:1959-03-10
申请号:US39949653
申请日:1953-12-21
Applicant: IBM
Inventor: HAMILTON FRANCIS E , TROY JAMES J , HUGHES JR ERNEST S
IPC: G06F3/08
CPC classification number: G06F3/08
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公开(公告)号:CA616204A
公开(公告)日:1961-03-14
申请号:CA616204D
Applicant: IBM
Inventor: HUGHES ERNEST S JR , TROY JAMES J , HAMILTON FRANCIS E
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