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公开(公告)号:US2096576A
公开(公告)日:1937-10-19
申请号:US3273235
申请日:1935-07-23
Applicant: RCA CORP
Inventor: DIMMICK GLENN L
IPC: G11B7/00
CPC classification number: G11B7/00
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公开(公告)号:US2095317A
公开(公告)日:1937-10-12
申请号:US74579334
申请日:1934-09-27
Applicant: RCA CORP
Inventor: DIMMICK GLENN L
IPC: G11B7/00
CPC classification number: G11B7/00
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公开(公告)号:US2031822A
公开(公告)日:1936-02-25
申请号:US67386233
申请日:1933-06-01
Applicant: RCA CORP
Inventor: DIMMICK GLENN L
IPC: G11B7/00
CPC classification number: G11B7/00
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