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1.Radio object locating training device with error indication 失效
Title translation: 带有错误指示的无线电对象定位训练装置公开(公告)号:US2492356A
公开(公告)日:1949-12-27
申请号:US51304443
申请日:1943-12-06
Applicant: BELL TELEPHONE LABOR INC
Inventor: ORFEO CESAREO
IPC: G01S7/40
CPC classification number: G01S7/4052 , G01S2007/4082
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公开(公告)号:US2082097A
公开(公告)日:1937-06-01
申请号:US1078035
申请日:1935-03-13
Applicant: BELL TELEPHONE LABOR INC
Inventor: ORFEO CESAREO
IPC: H04M17/02
CPC classification number: H04M17/023
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公开(公告)号:US2039631A
公开(公告)日:1936-05-05
申请号:US74476834
申请日:1934-09-20
Applicant: BELL TELEPHONE LABOR INC
Inventor: ORFEO CESAREO
IPC: H04B3/46
CPC classification number: H04B3/46
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公开(公告)号:US2919439A
公开(公告)日:1959-12-29
申请号:US61539456
申请日:1956-10-11
Applicant: BELL TELEPHONE LABOR INC
Inventor: ORFEO CESAREO , SHAFER JR WILLIAM L
CPC classification number: H04Q3/42
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公开(公告)号:US2625328A
公开(公告)日:1953-01-13
申请号:US71675346
申请日:1946-12-17
Applicant: BELL TELEPHONE LABOR INC
Inventor: ORFEO CESAREO
IPC: G06F7/42
CPC classification number: G06F7/42
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公开(公告)号:US2295200A
公开(公告)日:1942-09-08
申请号:US41207341
申请日:1941-09-24
Applicant: BELL TELEPHONE LABOR INC
Inventor: ORFEO CESAREO
IPC: H04Q3/00
CPC classification number: H04Q3/00
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公开(公告)号:US1788704A
公开(公告)日:1931-01-13
申请号:US39522829
申请日:1929-09-26
Applicant: BELL TELEPHONE LABOR INC
Inventor: ORFEO CESAREO
IPC: H04M17/02
CPC classification number: H04M17/023
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8.Equipment for operator served calls at an intermediate switching center 失效
Title translation: 在中间交换中心的运营商提供呼叫的设备公开(公告)号:US3341662A
公开(公告)日:1967-09-12
申请号:US32584263
申请日:1963-11-26
Applicant: BELL TELEPHONE LABOR INC
Inventor: CERNY LOUIS J , ORFEO CESAREO , CURTIS ROBERT B , NIGHTINGALE JOHN G , PARKINSON JR FREDERICK H
IPC: H04Q3/00
CPC classification number: H04Q3/0016
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公开(公告)号:US2692082A
公开(公告)日:1954-10-19
申请号:US71675446
申请日:1946-12-17
Applicant: BELL TELEPHONE LABOR INC
Inventor: ORFEO CESAREO , STRICKLER WALTER B
CPC classification number: G06Q90/00
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公开(公告)号:US2236499A
公开(公告)日:1941-04-01
申请号:US30448039
申请日:1939-11-15
Applicant: BELL TELEPHONE LABOR INC
Inventor: ORFEO CESAREO , RIPPERE ROBERT O
IPC: H04Q1/36
CPC classification number: H04Q1/36
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