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公开(公告)号:US2432777A
公开(公告)日:1947-12-16
申请号:US46029342
申请日:1942-09-30
Applicant: RCA CORP
Inventor: LUCK DAVID G C
IPC: G01S3/08
CPC classification number: G01S3/08
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公开(公告)号:US2317071A
公开(公告)日:1943-04-20
申请号:US42900442
申请日:1942-01-31
Applicant: RCA CORP
Inventor: LUCK DAVID G C
IPC: H03C1/60
CPC classification number: H03C1/60
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公开(公告)号:US2296041A
公开(公告)日:1942-09-15
申请号:US25389239
申请日:1939-01-31
Applicant: RCA CORP
Inventor: LUCK DAVID G C
CPC classification number: G01S1/02
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公开(公告)号:US2235768A
公开(公告)日:1941-03-18
申请号:US25388939
申请日:1939-01-31
Applicant: RCA CORP
Inventor: LUCK DAVID G C
IPC: F41G7/30
CPC classification number: F41G7/30 , Y10T307/944
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公开(公告)号:US2234828A
公开(公告)日:1941-03-11
申请号:US15966137
申请日:1937-08-18
Applicant: RCA CORP
Inventor: LUCK DAVID G C
CPC classification number: G01S1/02
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公开(公告)号:US2208378A
公开(公告)日:1940-07-16
申请号:US21682538
申请日:1938-06-30
Applicant: RCA CORP
Inventor: LUCK DAVID G C
CPC classification number: G01S1/02
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