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公开(公告)号:US2601415A
公开(公告)日:1952-06-24
申请号:US10229849
申请日:1949-06-30
Applicant: BELL TELEPHONE LABOR INC
Inventor: OLIVER BERNARD M
IPC: H04N5/10
CPC classification number: H04N5/10
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公开(公告)号:US2560815A
公开(公告)日:1951-07-17
申请号:US10229749
申请日:1949-06-30
Applicant: BELL TELEPHONE LABOR INC
Inventor: OLIVER BERNARD M
IPC: H04N3/24
CPC classification number: H04N3/24
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公开(公告)号:US2505060A
公开(公告)日:1950-04-25
申请号:US3600148
申请日:1948-06-30
Applicant: BELL TELEPHONE LABOR INC
Inventor: OLIVER BERNARD M
IPC: H01J31/42
CPC classification number: H01J31/42
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公开(公告)号:US2478778A
公开(公告)日:1949-08-09
申请号:US54757344
申请日:1944-08-01
Applicant: BELL TELEPHONE LABOR INC
Inventor: OLIVER BERNARD M
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公开(公告)号:US2476946A
公开(公告)日:1949-07-19
申请号:US58347045
申请日:1945-03-19
Applicant: BELL TELEPHONE LABOR INC
Inventor: OLIVER BERNARD M
IPC: H03H11/18
CPC classification number: H03H11/18
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公开(公告)号:US2433863A
公开(公告)日:1948-01-06
申请号:US48678043
申请日:1943-05-13
Applicant: BELL TELEPHONE LABOR INC
Inventor: OLIVER BERNARD M
IPC: H03K5/153
CPC classification number: H03K5/153
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公开(公告)号:US2322875A
公开(公告)日:1943-06-29
申请号:US41035341
申请日:1941-09-11
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:US2843447A
公开(公告)日:1958-07-15
申请号:US25429551
申请日:1951-11-01
Applicant: BELL TELEPHONE LABOR INC
Inventor: OLIVER BERNARD M
IPC: G01R13/40
CPC classification number: G01R13/40
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公开(公告)号:US2801281A
公开(公告)日:1957-07-30
申请号:US31004652
申请日:1952-09-17
Applicant: BELL TELEPHONE LABOR INC
Inventor: OLIVER BERNARD M , SHANNON CLAUDE E
IPC: H03M1/00
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公开(公告)号:US2730617A
公开(公告)日:1956-01-10
申请号:US25994851
申请日:1951-12-05
Applicant: BELL TELEPHONE LABOR INC
Inventor: MARMONT GEORGE H , OLIVER BERNARD M
IPC: H03K3/78
CPC classification number: H03K3/78
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