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公开(公告)号:US2369561A
公开(公告)日:1945-02-13
申请号:US46994542
申请日:1942-12-23
Applicant: BELL TELEPHONE LABOR INC
Inventor: GRISDALE RICHARD O
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公开(公告)号:US2258646A
公开(公告)日:1941-10-14
申请号:US27411439
申请日:1939-05-17
Applicant: BELL TELEPHONE LABOR INC
Inventor: GRISDALE RICHARD O
IPC: H01C7/04
CPC classification number: H01C7/046
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3.Mechanically coupled electromechanical and magnetomechanical transducers 失效
Title translation: 机械耦合的机电和磁力机械换能器公开(公告)号:US2834943A
公开(公告)日:1958-05-13
申请号:US38057453
申请日:1953-09-16
Applicant: BELL TELEPHONE LABOR INC
Inventor: GRISDALE RICHARD O , ROWEN JOHN H
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公开(公告)号:US2697028A
公开(公告)日:1954-12-14
申请号:US22363351
申请日:1951-04-28
Applicant: BELL TELEPHONE LABOR INC
Inventor: BAKER WILLIAM O , GRISDALE RICHARD O
CPC classification number: H01B1/24 , C01B32/00 , H01B1/04 , Y10S264/19
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公开(公告)号:US2671735A
公开(公告)日:1954-03-09
申请号:US17252850
申请日:1950-07-07
Applicant: BELL TELEPHONE LABOR INC
Inventor: GRISDALE RICHARD O , PFISTER ANTHONY C , TEAL GORDON K
IPC: H01B1/24
CPC classification number: H01B1/24 , Y10T428/30
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公开(公告)号:US2739371A
公开(公告)日:1956-03-27
申请号:US24041251
申请日:1951-08-04
Applicant: BELL TELEPHONE LABOR INC
Inventor: GRISDALE RICHARD O , SAUER HAROLD A
CPC classification number: B65H71/00 , H01F41/066 , H01F41/12 , H01F2027/2842 , Y10T29/49071
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公开(公告)号:US2143414A
公开(公告)日:1939-01-10
申请号:US74136734
申请日:1934-08-25
Applicant: BELL TELEPHONE LABOR INC
Inventor: GRISDALE RICHARD O
CPC classification number: H01L25/074 , H01B1/24 , H01L2924/0002 , H01L2924/00
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公开(公告)号:US2079690A
公开(公告)日:1937-05-11
申请号:US5718036
申请日:1936-01-02
Applicant: BELL TELEPHONE LABOR INC
Inventor: GRISDALE RICHARD O
IPC: H01B1/10
CPC classification number: H01B1/10
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公开(公告)号:US2736642A
公开(公告)日:1956-02-28
申请号:US22363651
申请日:1951-04-28
Applicant: BELL TELEPHONE LABOR INC
Inventor: BAKER WILLIAM O , GRISDALE RICHARD O
IPC: C09K3/14
CPC classification number: C09K3/1409
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公开(公告)号:US2697136A
公开(公告)日:1954-12-14
申请号:US22363551
申请日:1951-04-28
Applicant: BELL TELEPHONE LABOR INC
Inventor: BAKER WILLIAM O , GRISDALE RICHARD O
IPC: H04R21/02
CPC classification number: H04R21/021
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