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公开(公告)号:US2842754A
公开(公告)日:1958-07-08
申请号:US43192054
申请日:1954-05-24
Applicant: IBM
Inventor: LUHN HANS P
IPC: G06K17/00
CPC classification number: G06K17/00
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公开(公告)号:US2723849A
公开(公告)日:1955-11-15
申请号:US24885851
申请日:1951-09-28
Applicant: IBM
Inventor: LUHN HANS P
IPC: G06K13/077
CPC classification number: G06K13/077
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公开(公告)号:US2717733A
公开(公告)日:1955-09-13
申请号:US24198851
申请日:1951-08-15
Applicant: IBM
Inventor: LUHN HANS P , JOHNSON RICHARD L
IPC: G06F7/46
CPC classification number: G06F7/468
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公开(公告)号:US2717121A
公开(公告)日:1955-09-06
申请号:US19258150
申请日:1950-10-27
Applicant: IBM
Inventor: LUHN HANS P
IPC: G06C7/02
CPC classification number: G06C7/02
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公开(公告)号:US2661896A
公开(公告)日:1953-12-08
申请号:US15669250
申请日:1950-04-18
Applicant: IBM
Inventor: LUHN HANS P
CPC classification number: B41K3/266 , B41F33/009
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公开(公告)号:US2616561A
公开(公告)日:1952-11-04
申请号:US15669150
申请日:1950-04-18
Applicant: IBM
Inventor: LUHN HANS P
CPC classification number: G06K13/14
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公开(公告)号:US2425549A
公开(公告)日:1947-08-12
申请号:US55211844
申请日:1944-08-31
Applicant: IBM
Inventor: LUHN HANS P
IPC: G06F11/10
CPC classification number: G06F11/104
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公开(公告)号:US2424322A
公开(公告)日:1947-07-22
申请号:US60142145
申请日:1945-06-25
Applicant: IBM
Inventor: LUHN HANS P
CPC classification number: G06K15/04
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公开(公告)号:US3031075A
公开(公告)日:1962-04-24
申请号:US68776657
申请日:1957-10-02
Applicant: IBM
Inventor: LUHN HANS P , HANS REICHLE
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