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公开(公告)号:US2898509A
公开(公告)日:1959-08-04
申请号:US74484758
申请日:1958-06-26
Applicant: RCA CORP
Inventor: CLAY BURTON R , CARMEN LLOYD H
公开(公告)号:US2898509A
公开(公告)日:1959-08-04
申请号:US74484758
申请日:1958-06-26
Applicant: RCA CORP
Inventor: CLAY BURTON R , CARMEN LLOYD H