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公开(公告)号:US2701274A
公开(公告)日:1955-02-01
申请号:US17097850
申请日:1950-06-29
Applicant: BELL TELEPHONE LABOR INC
Inventor: OLIVER BERNARD M
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公开(公告)号:US2660614A
公开(公告)日:1953-11-24
申请号:US7204549
申请日:1949-01-21
Applicant: BELL TELEPHONE LABOR INC
Inventor: OLIVER BERNARD M
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公开(公告)号:US2629006A
公开(公告)日:1953-02-17
申请号:US19277350
申请日:1950-10-28
Applicant: BELL TELEPHONE LABOR INC
Inventor: OLIVER BERNARD M
IPC: H03K4/43
CPC classification number: H03K4/43
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公开(公告)号:US2516797A
公开(公告)日:1950-07-25
申请号:US1191348
申请日:1948-02-28
Applicant: BELL TELEPHONE LABOR INC
Inventor: OLIVER BERNARD M
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公开(公告)号:US2505061A
公开(公告)日:1950-04-25
申请号:US3600348
申请日:1948-06-30
Applicant: BELL TELEPHONE LABOR INC
Inventor: OLIVER BERNARD M
IPC: H03H11/32
CPC classification number: H03H11/32
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公开(公告)号:US2794978A
公开(公告)日:1957-06-04
申请号:US52372144
申请日:1944-02-24
Applicant: BELL TELEPHONE LABOR INC
Inventor: OLIVER BERNARD M
CPC classification number: G06G7/78 , G01S1/02 , G01S13/422 , G01S13/70
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公开(公告)号:US2775740A
公开(公告)日:1956-12-25
申请号:US19361050
申请日:1950-11-02
Applicant: BELL TELEPHONE LABOR INC
Inventor: OLIVER BERNARD M
IPC: H01P5/18
CPC classification number: H01P5/18
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8.
公开(公告)号:US2759044A
公开(公告)日:1956-08-14
申请号:US19746650
申请日:1950-11-24
Applicant: BELL TELEPHONE LABOR INC
Inventor: OLIVER BERNARD M
IPC: H04N5/208
CPC classification number: H04N5/208
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公开(公告)号:US2708750A
公开(公告)日:1955-05-17
申请号:US53527444
申请日:1944-05-12
Applicant: BELL TELEPHONE LABOR INC
Inventor: OLIVER BERNARD M
IPC: G01S13/70
CPC classification number: G01S13/70
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公开(公告)号:US2681988A
公开(公告)日:1954-06-22
申请号:US25791351
申请日:1951-11-23
Applicant: BELL TELEPHONE LABOR INC
Inventor: OLIVER BERNARD M
IPC: H03D1/24
CPC classification number: H03D1/24
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