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公开(公告)号：US2964656A
公开(公告)日：1960-12-13
申请号：US74129258
申请日：1958-06-11
Applicant: BELL TELEPHONE LABOR INC
Inventor： BISSELL HENRY M , ALFRED ZAROUNI
IPC: H03K5/02
CPC classification number: H03K5/02
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