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公开(公告)号:US2977262A
公开(公告)日:1961-03-28
申请号:US50944455
申请日:1955-05-19
Applicant: RCA CORP
Inventor: CARLSON CARL L , HERBERT NELSON
公开(公告)号:US2977262A
公开(公告)日:1961-03-28
申请号:US50944455
申请日:1955-05-19
Applicant: RCA CORP
Inventor: CARLSON CARL L , HERBERT NELSON