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公开(公告)号:US1927082A
公开(公告)日:1933-09-19
申请号:US62008732
申请日:1932-06-30
Applicant: BELL TELEPHONE LABOR INC
Inventor: CORBIN JOSEPH E
CPC classification number: H03F3/28
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公开(公告)号:US1932435A
公开(公告)日:1933-10-31
申请号:US58111831
申请日:1931-12-15
Applicant: BELL TELEPHONE LABOR INC
Inventor: AIKEN CHARLES B , CORBIN JOSEPH E
IPC: H04B1/18
CPC classification number: H04B1/18
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公开(公告)号:US3401235A
公开(公告)日:1968-09-10
申请号:US42176264
申请日:1964-12-29
Applicant: BELL TELEPHONE LABOR INC
Inventor: CORBIN JOSEPH E , HELFRICH JOHN H , HELLER KENNETH A , NICODEMUS KEITH L , SMITH JR GEORGE W , SPENCER JR ALBERT E , TOWNLEY RAY C
CPC classification number: H04Q11/04 , H04J3/00 , H04J3/14 , H04L5/22 , H04Q11/0407
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公开(公告)号:US2532697A
公开(公告)日:1950-12-05
申请号:US4889648
申请日:1948-09-11
Applicant: BELL TELEPHONE LABOR INC
Inventor: CORBIN JOSEPH E , NEWHOUSE RUSSELL C
IPC: H02M3/13
CPC classification number: H02M3/13
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