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公开(公告)号:US2293552A
公开(公告)日:1942-08-18
申请号:US28678839
申请日:1939-07-27
Applicant: RCA CORP
Inventor: LINDENBLAD NILS E
IPC: H01C1/082
CPC classification number: H01C1/082
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公开(公告)号:US2286179A
公开(公告)日:1942-06-09
申请号:US34468340
申请日:1940-07-10
Applicant: RCA CORP
Inventor: LINDENBLAD NILS E
IPC: H01Q21/06
CPC classification number: H01Q21/06
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公开(公告)号:US2284434A
公开(公告)日:1942-05-26
申请号:US38014741
申请日:1941-02-24
Applicant: RCA CORP
Inventor: LINDENBLAD NILS E
IPC: H01Q9/28
CPC classification number: H01Q9/28
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公开(公告)号:US2284159A
公开(公告)日:1942-05-26
申请号:US20152838
申请日:1938-04-12
Applicant: RCA CORP
Inventor: LINDENBLAD NILS E
IPC: H02N1/08
CPC classification number: H02N1/08
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公开(公告)号:US2267613A
公开(公告)日:1941-12-23
申请号:US22890938
申请日:1938-09-08
Applicant: RCA CORP
Inventor: LINDENBLAD NILS E
IPC: H01Q11/04
CPC classification number: H01Q11/04
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公开(公告)号:US2266502A
公开(公告)日:1941-12-16
申请号:US31515940
申请日:1940-01-23
Applicant: RCA CORP
Inventor: LINDENBLAD NILS E
IPC: H01P5/10
CPC classification number: H01P5/10
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公开(公告)号:US2243677A
公开(公告)日:1941-05-27
申请号:US27339539
申请日:1939-05-13
Applicant: RCA CORP
Inventor: LINDENBLAD NILS E
IPC: H01Q1/02
CPC classification number: H01Q1/02
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