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公开(公告)号:US2035745A
公开(公告)日:1936-03-31
申请号:US66823233
申请日:1933-04-27
Applicant: RCA CORP
Inventor: GEORGE RALPH W
CPC classification number: H03D5/00 , H03D3/12 , H03D7/20 , H03F1/28 , H03H7/0161 , H03H7/1775 , H03H7/1791
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公开(公告)号:US2033982A
公开(公告)日:1936-03-17
申请号:US58939232
申请日:1932-01-28
Applicant: RCA CORP
Inventor: GEORGE RALPH W
IPC: H03D11/02
CPC classification number: H03D11/02
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公开(公告)号:CA390052A
公开(公告)日:1940-07-16
申请号:CA390052D
Applicant: RCA CORP
Inventor: TREVOR BERTRAM , GEORGE RALPH W
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公开(公告)号:CA389174A
公开(公告)日:1940-06-04
申请号:CA389174D
Applicant: RCA CORP
Inventor: TREVOR BERTRAM , GEORGE RALPH W
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公开(公告)号:CA389495A
公开(公告)日:1940-06-18
申请号:CA389495D
Applicant: RCA CORP
Inventor: GEORGE RALPH W , TREVOR BERTRAM
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