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公开(公告)号:US2255804A
公开(公告)日:1941-09-16
申请号:US15357437
申请日:1937-07-14
Applicant: RCA CORP
Inventor: OMAN NILS J
CPC classification number: H03F1/36 , H03F3/28 , Y10S604/906
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公开(公告)号:US2500090A
公开(公告)日:1950-03-07
申请号:US57790545
申请日:1945-02-14
Applicant: RCA CORP
Inventor: OMAN NILS J
IPC: H04B7/155
CPC classification number: H04B7/15542
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公开(公告)号:US2305893A
公开(公告)日:1942-12-22
申请号:US34314840
申请日:1940-06-29
Applicant: RCA CORP
Inventor: OMAN NILS J
IPC: H03C1/06
CPC classification number: H03C1/06
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公开(公告)号:US2584780A
公开(公告)日:1952-02-05
申请号:US5697448
申请日:1948-10-28
Applicant: RCA CORP
Inventor: BEARD JOSEPH G , OMAN NILS J
IPC: H03C3/09
CPC classification number: H03C3/09
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公开(公告)号:US2313962A
公开(公告)日:1943-03-16
申请号:US40140941
申请日:1941-07-08
Applicant: RCA CORP
Inventor: OMAN NILS J
IPC: H03F1/36
CPC classification number: H03F1/36
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