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公开(公告)号:US2220956A
公开(公告)日:1940-11-12
申请号:US23452138
申请日:1938-10-12
Applicant: RCA CORP
Inventor: HANSELL CLARENCE W
IPC: H03B5/34
CPC classification number: H03B5/34
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72.
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公开(公告)号:US2184740A
公开(公告)日:1939-12-26
申请号:US17869537
申请日:1937-12-08
Applicant: RCA CORP
Inventor: HANSELL CLARENCE W
IPC: H05B6/04
CPC classification number: H05B6/04
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公开(公告)号:US2183562A
公开(公告)日:1939-12-19
申请号:US19942038
申请日:1938-04-01
Applicant: RCA CORP
Inventor: HANSELL CLARENCE W
IPC: H04B7/155
CPC classification number: H04B7/155
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公开(公告)号:US2160655A
公开(公告)日:1939-05-30
申请号:US14146737
申请日:1937-05-08
Applicant: RCA CORP
Inventor: HANSELL CLARENCE W
IPC: H03B5/18
CPC classification number: H03B5/1835
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公开(公告)号:US2143376A
公开(公告)日:1939-01-10
申请号:US4635
申请日:1935-01-02
Applicant: RCA CORP
Inventor: HANSELL CLARENCE W
CPC classification number: H04L21/04 , G01D15/16 , H04N1/034 , Y10S101/37
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