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公开(公告)号:US2901166A
公开(公告)日:1959-08-25
申请号:US33520253
申请日:1953-02-05
Applicant: IBM
Inventor: HAMILTON FRANCIS E , HAWKINS GEORGE V , LAWHEAD JR ROBERT E , HUGHES JR ERNEST S
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公开(公告)号:US2770797A
公开(公告)日:1956-11-13
申请号:US26430451
申请日:1951-12-31
Applicant: IBM
Inventor: HAMILTON FRANCIS E , HAWKINS GEORGE V , LAWHEAD JR ROBERT E , HUGHES JR ERNEST S
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公开(公告)号:CA596343A
公开(公告)日:1960-04-19
申请号:CA596343D
Applicant: IBM
Inventor: HUGHES ERNEST S JR , HAMILTON FRANCIS E , LAWHEAD ROBERT E JR , HAWKINS GEORGE V
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公开(公告)号:CA582754A
公开(公告)日:1959-09-08
申请号:CA582754D
Applicant: IBM
Inventor: HAMILTON FRANCIS E , HUGHES ERNEST S JR , HAWKINS GEORGE V , LAWHEAD ROBERT E JR
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