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公开(公告)号:US2396229A
公开(公告)日:1946-03-12
申请号:US43328442
申请日:1942-03-04
Applicant: IBM
Inventor: BLAKELY ROBERT T
IPC: G07G1/10
CPC classification number: G07G1/10
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公开(公告)号:US2185685A
公开(公告)日:1940-01-02
申请号:US22456538
申请日:1938-08-12
Applicant: IBM
Inventor: BLAKELY ROBERT T
CPC classification number: B26F1/04
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14.
公开(公告)号:US2720642A
公开(公告)日:1955-10-11
申请号:US22845451
申请日:1951-05-26
Applicant: IBM
Inventor: BLAKELY ROBERT T
CPC classification number: H03M1/00
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公开(公告)号:US2603151A
公开(公告)日:1952-07-15
申请号:US78378247
申请日:1947-11-03
Applicant: IBM
Inventor: BRYCE JAMES W , BLAKELY ROBERT T
CPC classification number: G06K15/04
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公开(公告)号:US2348051A
公开(公告)日:1944-05-02
申请号:US46749342
申请日:1942-12-01
Applicant: IBM
Inventor: BLAKELY ROBERT T
IPC: G06K5/00
CPC classification number: G06K5/00
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