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公开(公告)号：US3087074A
公开(公告)日：1963-04-23
申请号：US78437158
申请日：1958-12-31
Applicant: IBM
Inventor： CARROLL WILLIAM N , COOPPER RODERICK A , COUNIHAN RICHARD G
IPC: H03K3/26
CPC classification number: H03K3/26
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公开(公告)号：US2902677A
公开(公告)日：1959-09-01
申请号：US44098354
申请日：1954-07-02
Applicant: IBM
Inventor： COUNIHAN RICHARD G
CPC classification number: G11C11/06035
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