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公开(公告)号:US2098699A
公开(公告)日:1937-11-09
申请号:US1903435
申请日:1935-04-30
Applicant: RCA CORP
Inventor: BATSEL CECIL N
IPC: G03B31/02
CPC classification number: G03B31/02
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公开(公告)号:US2032393A
公开(公告)日:1936-03-03
申请号:US64516432
申请日:1932-12-01
Applicant: RCA CORP
Inventor: BATSEL CECIL N , LARSON INER J
IPC: G03B1/56
CPC classification number: G03B1/56
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公开(公告)号:US2305837A
公开(公告)日:1942-12-22
申请号:US36659040
申请日:1940-11-22
Applicant: RCA CORP
Inventor: BATSEL CECIL N
IPC: G11B7/00
CPC classification number: G11B7/00
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公开(公告)号:US2102777A
公开(公告)日:1937-12-21
申请号:US8259636
申请日:1936-05-29
Applicant: RCA CORP
Inventor: BAKER JUDD O , BATSEL CECIL N
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公开(公告)号:US2268438A
公开(公告)日:1941-12-30
申请号:US31163839
申请日:1939-12-29
Applicant: RCA CORP
Inventor: BATSEL CECIL N
CPC classification number: G11B7/00
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公开(公告)号:US2098700A
公开(公告)日:1937-11-09
申请号:US3325735
申请日:1935-07-26
Applicant: RCA CORP
Inventor: BATSEL CECIL N
IPC: G03B31/02
CPC classification number: G03B31/02
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公开(公告)号:US2031813A
公开(公告)日:1936-02-25
申请号:US64993633
申请日:1933-01-03
Applicant: RCA CORP
Inventor: BATSEL CECIL N , KELLOGG EDWARD W
IPC: G11B7/00
CPC classification number: G11B7/00
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公开(公告)号:US2282927A
公开(公告)日:1942-05-12
申请号:US36658940
申请日:1940-11-22
Applicant: RCA CORP
Inventor: BATSEL CECIL N
IPC: G11B7/00
CPC classification number: G11B7/00
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公开(公告)号:US2270247A
公开(公告)日:1942-01-20
申请号:US30040139
申请日:1939-10-20
Applicant: RCA CORP
Inventor: BATSEL CECIL N
IPC: G11B7/00
CPC classification number: G11B7/00
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公开(公告)号:US2220198A
公开(公告)日:1940-11-05
申请号:US17790737
申请日:1937-12-03
Applicant: RCA CORP
Inventor: BATSEL CECIL N
IPC: G11B7/00
CPC classification number: G11B7/00
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