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公开(公告)号:US2854077A
公开(公告)日:1958-09-30
申请号:US47846254
申请日:1954-12-29
Applicant: IBM
Inventor: NOVAK DONALD A , CARROLL FRED M
CPC classification number: B26D1/25 , Y10T83/4749 , Y10T83/4757
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公开(公告)号:US2814486A
公开(公告)日:1957-11-26
申请号:US47914654
申请日:1954-12-31
Applicant: IBM
Inventor: GURLEY GREY M , CARROLL FRED M
IPC: G06K13/26
CPC classification number: G06K13/26
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公开(公告)号:US2645994A
公开(公告)日:1953-07-21
申请号:US9282249
申请日:1949-05-12
Applicant: IBM
Inventor: CARROLL FRED M
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公开(公告)号:US2566927A
公开(公告)日:1951-09-04
申请号:US63834345
申请日:1945-12-29
Applicant: IBM
Inventor: CARROLL FRED M , SMITH ARTHUR F
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公开(公告)号:US2247906A
公开(公告)日:1941-07-01
申请号:US17310637
申请日:1937-11-06
Applicant: IBM
Inventor: CARROLL FRED M , ANDERSON CARL O
CPC classification number: G06K17/00
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公开(公告)号:US1939040A
公开(公告)日:1933-12-12
申请号:US22852227
申请日:1927-10-25
Applicant: IBM
Inventor: CARROLL FRED M
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公开(公告)号:US3033564A
公开(公告)日:1962-05-08
申请号:US497160
申请日:1960-01-27
Applicant: IBM
Inventor: CARROLL FRED M , GURLEY GREY M
IPC: G06K13/12
CPC classification number: G06K13/12
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公开(公告)号:US2765602A
公开(公告)日:1956-10-09
申请号:US48257255
申请日:1955-01-18
Applicant: IBM
Inventor: HIBBARD OSCAR L , CARROLL FRED M
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公开(公告)号:US2634064A
公开(公告)日:1953-04-07
申请号:US74211347
申请日:1947-04-17
Applicant: IBM
Inventor: CARROLL FRED M
IPC: G06K13/26
CPC classification number: G06K13/26 , Y10S242/909
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