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公开(公告)号:US3175157A
公开(公告)日:1965-03-23
申请号:US12628561
申请日:1961-07-24
Applicant: BELL TELEPHONE LABOR INC
Inventor: MAYO JOHN S , TRANTHAM ROBERT J
CPC classification number: H04L7/0054 , H04J3/06
公开(公告)号:US3175157A
公开(公告)日:1965-03-23
申请号:US12628561
申请日:1961-07-24
Applicant: BELL TELEPHONE LABOR INC
Inventor: MAYO JOHN S , TRANTHAM ROBERT J
CPC classification number: H04L7/0054 , H04J3/06