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公开(公告)号:US2490968A
公开(公告)日:1949-12-13
申请号:US68719646
申请日:1946-07-30
Applicant: RCA CORP
Inventor: KEIZER EUGENE O , LANDON VERNON D , HARVEY ROBERT L
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公开(公告)号:US2428424A
公开(公告)日:1947-10-07
申请号:US59669145
申请日:1945-05-30
Applicant: RCA CORP
Inventor: LANDON VERNON D
IPC: G01S7/282
CPC classification number: G01S7/282
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公开(公告)号:US2423505A
公开(公告)日:1947-07-08
申请号:US49792643
申请日:1943-08-09
Applicant: RCA CORP
Inventor: LANDON VERNON D
IPC: H03B5/16
CPC classification number: H03B5/16
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公开(公告)号:US2293835A
公开(公告)日:1942-08-25
申请号:US39116241
申请日:1941-04-30
Applicant: RCA CORP
Inventor: LANDON VERNON D
IPC: H03G11/04
CPC classification number: H03G11/04
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公开(公告)号:US2147168A
公开(公告)日:1939-02-14
申请号:US74608134
申请日:1934-09-29
Applicant: RCA CORP
Inventor: LANDON VERNON D
IPC: H01Q5/00
CPC classification number: H01Q5/48
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