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公开(公告)号:US2253958A
公开(公告)日:1941-08-26
申请号:US21510238
申请日:1938-06-22
Applicant: RCA CORP
Inventor: LUCK DAVID G C
CPC classification number: G01S1/02
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公开(公告)号:US2933243A
公开(公告)日:1960-04-19
申请号:US45320854
申请日:1954-08-31
Applicant: RCA CORP
Inventor: LUCK DAVID G C
IPC: G06G3/00
CPC classification number: G06G3/00
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公开(公告)号:US2432778A
公开(公告)日:1947-12-16
申请号:US48680043
申请日:1943-05-13
Applicant: RCA CORP
Inventor: LUCK DAVID G C
CPC classification number: G01S1/02
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公开(公告)号:US2422109A
公开(公告)日:1947-06-10
申请号:US45796742
申请日:1942-09-11
Applicant: RCA CORP
Inventor: LUCK DAVID G C
CPC classification number: G01S1/02
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公开(公告)号:US2413982A
公开(公告)日:1947-01-07
申请号:US43237142
申请日:1942-02-26
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:US2401432A
公开(公告)日:1946-06-04
申请号:US50451243
申请日:1943-09-29
Applicant: RCA CORP
Inventor: LUCK DAVID G C
IPC: G01S7/282
CPC classification number: G01S7/282
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公开(公告)号:US2369788A
公开(公告)日:1945-02-20
申请号:US44524742
申请日:1942-05-30
Applicant: RCA CORP
Inventor: LUCK DAVID G C
IPC: G01P3/62
CPC classification number: G01P3/62
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