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公开(公告)号:US2509050A
公开(公告)日:1950-05-23
申请号:US5738748
申请日:1948-10-29
Applicant: BELL TELEPHONE LABOR INC
Inventor: ANDERSON LYNN T , GODDARD MYRON C
IPC: H04Q3/00
CPC classification number: H04Q3/0004
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公开(公告)号:US3102930A
公开(公告)日:1963-09-03
申请号:US79926059
申请日:1959-03-13
Applicant: BELL TELEPHONE LABOR INC
Inventor: ANDERSON LYNN T , CRANE JR ERNEST G
IPC: H04Q3/62
CPC classification number: H04Q3/625
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公开(公告)号:US3261923A
公开(公告)日:1966-07-19
申请号:US24812862
申请日:1962-12-28
Applicant: BELL TELEPHONE LABOR INC
Inventor: ANDERSON LYNN T , IRWIN DORROS , EWIN JAMES C , GITTEN LAWRENCE J , GROVES QUENTIN D , HARRIS JAMES R
CPC classification number: H04Q1/45 , H04L5/06 , H04Q3/0016
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公开(公告)号:US2029693A
公开(公告)日:1936-02-04
申请号:US74306034
申请日:1934-09-07
Applicant: BELL TELEPHONE LABOR INC
Inventor: ANDERSON LYNN T , LOW FRANK K
IPC: H04Q1/32
CPC classification number: H04Q1/32
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