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1.
公开(公告)号:US3541523A
公开(公告)日:1970-11-17
申请号:US3541523D
申请日:1967-12-22
Applicant: BELL TELEPHONE LABOR INC
Inventor: BIDLACK RICHARD H , MCKELVEY WILLIAM J
CPC classification number: H04L1/1874 , G08C25/02 , H04L2001/125
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公开(公告)号:US3271524A
公开(公告)日:1966-09-06
申请号:US14117861
申请日:1961-09-27
Applicant: BELL TELEPHONE LABOR INC
Inventor: ALLEN THEODORE E , BAKER WALTER R , BIDLACK RICHARD H , GARDNER KARL N , MULLAN JR WILLIAM E , OZENBERGER MILTON E , DAMME LOUIS E VAN
IPC: H04Q3/00
CPC classification number: H04Q3/0004
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