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公开(公告)号:US3046339A
公开(公告)日:1962-07-24
申请号:US82560459
申请日:1959-07-07
Applicant: BELL TELEPHONE LABOR INC
Inventor: CHARLES BREEN , MICHAEL HENRY J
IPC: H04M3/432
CPC classification number: H04M3/432
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公开(公告)号:US3210475A
公开(公告)日:1965-10-05
申请号:US11579961
申请日:1961-06-08
Applicant: BELL TELEPHONE LABOR INC
Inventor: CHARLES BREEN , MICHAEL HENRY J
IPC: H04M3/44
CPC classification number: H04M3/44
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公开(公告)号:US2884491A
公开(公告)日:1959-04-28
申请号:US71109058
申请日:1958-01-24
Applicant: BELL TELEPHONE LABOR INC
Inventor: CHARLES BREEN
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4.
公开(公告)号:US3253089A
公开(公告)日:1966-05-24
申请号:US24499162
申请日:1962-12-17
Applicant: BELL TELEPHONE LABOR INC
Inventor: CHARLES BREEN , WATSON JR ROBERT E , WEINBERG SEYMOUR B
CPC classification number: H04Q3/0004 , H04M3/54
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公开(公告)号:US3050588A
公开(公告)日:1962-08-21
申请号:US64560
申请日:1960-01-05
Applicant: BELL TELEPHONE LABOR INC
Inventor: BENSON MILTON L , CHARLES BREEN
IPC: H04M1/272 , H04M1/2745 , H04Q3/00
CPC classification number: H04Q3/0004 , H04M1/272 , H04M1/274591
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