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公开(公告)号:US2286494A
公开(公告)日:1942-06-16
申请号:US32118640
申请日:1940-02-28
Applicant: RCA CORP
Inventor: LYNN ROLAND A , HATHAWAY JARRETT L
IPC: H03G7/00
CPC classification number: H03G7/00
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公开(公告)号:US2807676A
公开(公告)日:1957-09-24
申请号:US44382154
申请日:1954-07-16
Applicant: RCA CORP
Inventor: LYNN ROLAND A
IPC: G11B5/29
CPC classification number: G11B5/29
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公开(公告)号:CA413100A
公开(公告)日:1943-06-08
申请号:CA413100D
Applicant: RCA CORP
Inventor: LYNN ROLAND A , HATHAWAY JARRETT L
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