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公开(公告)号:US2409556A
公开(公告)日:1946-10-15
申请号:US46171542
申请日:1942-10-12
Applicant: RCA CORP
Inventor: GEORGE RALPH W
IPC: H01P1/202
CPC classification number: H01P1/202
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公开(公告)号:US2234556A
公开(公告)日:1941-03-11
申请号:US29277039
申请日:1939-08-31
Applicant: RCA CORP
Inventor: GEORGE RALPH W
IPC: H01P5/10
CPC classification number: H01P5/10
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公开(公告)号:US2399481A
公开(公告)日:1946-04-30
申请号:US40857041
申请日:1941-08-28
Applicant: RCA CORP
Inventor: GEORGE RALPH W
CPC classification number: G01R21/00
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公开(公告)号:US2323762A
公开(公告)日:1943-07-06
申请号:US31661140
申请日:1940-01-31
Applicant: RCA CORP
Inventor: GEORGE RALPH W
IPC: G01R19/04
CPC classification number: G01R19/04
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公开(公告)号:US2204179A
公开(公告)日:1940-06-11
申请号:US21687438
申请日:1938-07-01
Applicant: RCA CORP
Inventor: GEORGE RALPH W
IPC: H03B5/18
CPC classification number: H03B5/1835
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公开(公告)号:US2158496A
公开(公告)日:1939-05-16
申请号:US2747835
申请日:1935-06-20
Applicant: RCA CORP
Inventor: GEORGE RALPH W
IPC: H01P3/04
CPC classification number: H01P3/04
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公开(公告)号:US2810888A
公开(公告)日:1957-10-22
申请号:US44746554
申请日:1954-08-03
Applicant: RCA CORP
Inventor: GEORGE RALPH W , ROBERTS WALTER VAN B
IPC: H03H9/50
CPC classification number: H03H9/50 , Y10T29/49016
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