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公开(公告)号:US2095990A
公开(公告)日:1937-10-19
申请号:US681435
申请日:1935-02-16
Applicant: RCA CORP
Inventor: LINDENBLAD NILS E
IPC: H03B5/18
CPC classification number: H03B5/1835
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公开(公告)号:US2070972A
公开(公告)日:1937-02-16
申请号:US447535
申请日:1935-02-01
Applicant: RCA CORP
Inventor: LINDENBLAD NILS E
IPC: H02N3/00
CPC classification number: H02N3/00
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公开(公告)号:US2042321A
公开(公告)日:1936-05-26
申请号:US65181033
申请日:1933-01-14
Applicant: RCA CORP
Inventor: LINDENBLAD NILS E
IPC: H03B13/00
CPC classification number: H03B13/00
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公开(公告)号:US2042319A
公开(公告)日:1936-05-26
申请号:US46302430
申请日:1930-06-23
Applicant: RCA CORP
Inventor: LINDENBLAD NILS E
IPC: H01Q1/02
CPC classification number: H01Q1/02
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公开(公告)号:US2005793A
公开(公告)日:1935-06-25
申请号:US46936430
申请日:1930-07-21
Applicant: RCA CORP
Inventor: LINDENBLAD NILS E
CPC classification number: H03C5/04 , H01J19/02 , H01J25/58 , H01J2893/0001
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公开(公告)号:US2000032A
公开(公告)日:1935-05-07
申请号:US46361030
申请日:1930-06-25
Applicant: RCA CORP
Inventor: LINDENBLAD NILS E
IPC: H01P3/04
CPC classification number: H01P3/04
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公开(公告)号:US1902086A
公开(公告)日:1933-03-21
申请号:US36502429
申请日:1929-05-22
Applicant: RCA CORP
Inventor: LINDENBLAD NILS E
IPC: H01Q21/00
CPC classification number: H01Q21/0006
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公开(公告)号:US1898058A
公开(公告)日:1933-02-21
申请号:US21356627
申请日:1927-08-17
Applicant: RCA CORP
Inventor: LINDENBLAD NILS E
IPC: H01Q21/24
CPC classification number: H01Q21/24
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公开(公告)号:US1875050A
公开(公告)日:1932-08-30
申请号:US24805728
申请日:1928-01-20
Applicant: RCA CORP
Inventor: LINDENBLAD NILS E
IPC: H01Q1/52
CPC classification number: H01Q1/52
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