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公开(公告)号:US2957082A
公开(公告)日:1960-10-18
申请号:US72323358
申请日:1958-03-24
Applicant: PACKARD BELL ELECTRONICS CORP
Inventor: STANLEY PLASS
CPC classification number: G01S13/9303 , G01S1/02
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公开(公告)号:US3153699A
公开(公告)日:1964-10-20
申请号:US5427060
申请日:1960-09-06
Applicant: PACKARD BELL ELECTRONICS CORP
Inventor: STANLEY PLASS
CPC classification number: H04N5/76 , G01R13/225 , G01R13/325
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