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公开(公告)号:US2403006A
公开(公告)日:1946-07-02
申请号:US41196441
申请日:1941-09-23
Applicant: IBM
Inventor: LAKE CLAIR D , HAMILTON FRANCIS E
IPC: B41J5/30
CPC classification number: B41J5/30
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2.Serial punching and card counting apparatus for use with perforating machines 失效
Title translation: 用于穿孔机的连续冲孔和卡片计数装置公开(公告)号:US2377791A
公开(公告)日:1945-06-05
申请号:US51336143
申请日:1943-12-08
Applicant: IBM
Inventor: LAKE CLAIR D
CPC classification number: B41B27/10
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公开(公告)号:US2285289A
公开(公告)日:1942-06-02
申请号:US38527441
申请日:1941-03-26
Applicant: IBM
Inventor: LAKE CLAIR D , HAMILTON FRANCIS E
CPC classification number: B41J3/50
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公开(公告)号:US2174702A
公开(公告)日:1939-10-03
申请号:US21921138
申请日:1938-07-14
Applicant: IBM
Inventor: LAKE CLAIR D
CPC classification number: G06K5/00
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公开(公告)号:US2150227A
公开(公告)日:1939-03-14
申请号:US4455435
申请日:1935-10-11
Applicant: IBM
Inventor: LAKE CLAIR D , WESLEY PFAFF
CPC classification number: G06F1/1615
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公开(公告)号:US2104542A
公开(公告)日:1938-01-04
申请号:US74752434
申请日:1934-10-09
Applicant: IBM
Inventor: LAKE CLAIR D
CPC classification number: G06C11/08
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公开(公告)号:US2066784A
公开(公告)日:1937-01-05
申请号:US75874634
申请日:1934-12-22
Applicant: IBM
Inventor: LAKE CLAIR D , WESLEY PFAFF
IPC: G06K15/04
CPC classification number: G06K15/04
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公开(公告)号:US2000237A
公开(公告)日:1935-05-07
申请号:US64791532
申请日:1932-12-19
Applicant: IBM
Inventor: LAKE CLAIR D
CPC classification number: G06K13/14
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公开(公告)号:US2000236A
公开(公告)日:1935-05-07
申请号:US61990332
申请日:1932-06-29
Applicant: IBM
Inventor: LAKE CLAIR D
CPC classification number: G06K13/14
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公开(公告)号:US2658682A
公开(公告)日:1953-11-10
申请号:US7384249
申请日:1949-01-31
Applicant: IBM
Inventor: LAKE CLAIR D , WILSON LAWRENCE A , PIATT DONALD R , DURFEE BENJAMIN M
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