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公开(公告)号:US2546371A
公开(公告)日:1951-03-27
申请号:US79330547
申请日:1947-12-22
Applicant: BELL TELEPHONE LABOR INC
Inventor: EUGENE PETERSON
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公开(公告)号:US2527650A
公开(公告)日:1950-10-31
申请号:US8468349
申请日:1949-03-31
Applicant: BELL TELEPHONE LABOR INC
Inventor: EUGENE PETERSON
CPC classification number: H03B19/00 , H04J3/0617
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公开(公告)号:US2516587A
公开(公告)日:1950-07-25
申请号:US78934547
申请日:1947-12-03
Applicant: BELL TELEPHONE LABOR INC
Inventor: EUGENE PETERSON
IPC: H04B14/04
CPC classification number: H04B14/046
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公开(公告)号:US2130508A
公开(公告)日:1938-09-20
申请号:US13966237
申请日:1937-04-29
Applicant: BELL TELEPHONE LABOR INC
Inventor: EUGENE PETERSON
IPC: H01F38/04
CPC classification number: H01F38/04
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公开(公告)号:US2103490A
公开(公告)日:1937-12-28
申请号:US7214636
申请日:1936-04-01
Applicant: BELL TELEPHONE LABOR INC
Inventor: EUGENE PETERSON
IPC: H03F1/36
CPC classification number: H03F1/36
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公开(公告)号:US1995362A
公开(公告)日:1935-03-26
申请号:US43825230
申请日:1930-03-24
Applicant: BELL TELEPHONE LABOR INC
Inventor: EUGENE PETERSON
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公开(公告)号:US1884845A
公开(公告)日:1932-10-25
申请号:US48380030
申请日:1930-09-23
Applicant: BELL TELEPHONE LABOR INC
Inventor: EUGENE PETERSON
IPC: H03F7/02
CPC classification number: H03F7/02
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公开(公告)号:US1884844A
公开(公告)日:1932-10-25
申请号:US35144629
申请日:1929-03-30
Applicant: BELL TELEPHONE LABOR INC
Inventor: EUGENE PETERSON
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公开(公告)号:US1830240A
公开(公告)日:1931-11-03
申请号:US36422629
申请日:1929-05-18
Applicant: BELL TELEPHONE LABOR INC
Inventor: EUGENE PETERSON
IPC: H03G11/00
CPC classification number: H03G11/004
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公开(公告)号:US2546316A
公开(公告)日:1951-03-27
申请号:US9768549
申请日:1949-06-07
Applicant: BELL TELEPHONE LABOR INC
Inventor: EUGENE PETERSON
IPC: H04J3/06
CPC classification number: H04J3/06
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