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公开(公告)号:US2465288A
公开(公告)日:1949-03-22
申请号:US52884044
申请日:1944-03-31
Applicant: RCA CORP
Inventor: SINNETT CHESTER M
IPC: H04R19/06
CPC classification number: H04R19/06
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公开(公告)号:US2423208A
公开(公告)日:1947-07-01
申请号:US53807244
申请日:1944-05-30
Applicant: RCA CORP
Inventor: SINNETT CHESTER M
IPC: H04R19/06
CPC classification number: H04R19/06
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公开(公告)号:US2412015A
公开(公告)日:1946-12-03
申请号:US52726444
申请日:1944-03-20
Applicant: RCA CORP
Inventor: SINNETT CHESTER M
IPC: H04R19/02
CPC classification number: H04R19/02
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公开(公告)号:US2388578A
公开(公告)日:1945-11-06
申请号:US51701044
申请日:1944-01-05
Applicant: RCA CORP
Inventor: SINNETT CHESTER M , RENE SNEPVANGERS
IPC: G11B9/06
CPC classification number: G11B9/06
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公开(公告)号:US2376456A
公开(公告)日:1945-05-22
申请号:US41430541
申请日:1941-10-09
Applicant: RCA CORP
Inventor: SINNETT CHESTER M
IPC: H04R19/06
CPC classification number: H04R19/06
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公开(公告)号:US2072968A
公开(公告)日:1937-03-09
申请号:US4298335
申请日:1935-09-30
Applicant: RCA CORP
Inventor: SINNETT CHESTER M
IPC: H04B1/20
CPC classification number: H04B1/20
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公开(公告)号:US2530087A
公开(公告)日:1950-11-14
申请号:US58190345
申请日:1945-03-09
Applicant: RCA CORP
Inventor: SINNETT CHESTER M
IPC: H04R19/04
CPC classification number: H04R19/04
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公开(公告)号:US2481886A
公开(公告)日:1949-09-13
申请号:US45937542
申请日:1942-09-23
Applicant: RCA CORP
Inventor: SINNETT CHESTER M
CPC classification number: H04B14/006 , H04R19/04
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公开(公告)号:US2422140A
公开(公告)日:1947-06-10
申请号:US48712143
申请日:1943-05-15
Applicant: RCA CORP
Inventor: SINNETT CHESTER M
IPC: G11B9/00
CPC classification number: G11B9/00
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公开(公告)号:US2405526A
公开(公告)日:1946-08-06
申请号:US57270045
申请日:1945-01-13
Applicant: RCA CORP
Inventor: SINNETT CHESTER M
IPC: H04B1/20
CPC classification number: H04B1/20
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