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1.Magnetic core detection circuit for double punch and blank column 失效
Title translation: 双冲孔和空白柱磁芯检测电路公开(公告)号:US2939124A
公开(公告)日:1960-05-31
申请号:US65714857
申请日:1957-05-06
Applicant: IBM
Inventor: SAXENMEYER GEORGE J
CPC classification number: G11B20/18
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公开(公告)号:US2919382A
公开(公告)日:1959-12-29
申请号:US66367657
申请日:1957-06-05
Applicant: IBM
Inventor: SAXENMEYER GEORGE J
IPC: H01J17/04
CPC classification number: H01J17/04
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公开(公告)号:US3052406A
公开(公告)日:1962-09-04
申请号:US78100358
申请日:1958-12-17
Applicant: IBM
Inventor: SAXENMEYER GEORGE J
IPC: G06F3/08
CPC classification number: G06F3/08
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公开(公告)号:US3253261A
公开(公告)日:1966-05-24
申请号:US1738760
申请日:1960-03-24
Applicant: IBM
Inventor: MARSH ELLIOTT R , SAXENMEYER GEORGE J
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公开(公告)号:US2975365A
公开(公告)日:1961-03-14
申请号:US66982157
申请日:1957-07-03
Applicant: IBM
Inventor: SAXENMEYER GEORGE J
IPC: G11C19/20
CPC classification number: G11C19/202
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公开(公告)号:US3092811A
公开(公告)日:1963-06-04
申请号:US74974758
申请日:1958-07-21
Applicant: IBM
Inventor: SAXENMEYER GEORGE J
IPC: G06F3/08
CPC classification number: G06F3/08
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公开(公告)号:US3046539A
公开(公告)日:1962-07-24
申请号:US74974858
申请日:1958-07-21
Applicant: IBM
Inventor: SAXENMEYER GEORGE J
IPC: H03M7/20
CPC classification number: H03M7/20
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8.
公开(公告)号:US3037698A
公开(公告)日:1962-06-05
申请号:US1576560
申请日:1960-03-17
Applicant: IBM
Inventor: SAXENMEYER GEORGE J
IPC: G06F11/14
CPC classification number: G06F11/141
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