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公开(公告)号：US3077591A
公开(公告)日：1963-02-12
申请号：US11338661
申请日：1961-05-29
Applicant: IBM
Inventor： AKMENKALNS IVARS G , MCDOUNELL JAMES A
IPC: H03K17/58
CPC classification number: H03K17/58
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