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公开(公告)号:US2908495A
公开(公告)日:1959-10-13
申请号:US53778855
申请日:1955-09-30
Applicant: RCA CORP
Inventor: ANDREWS DALLAS R , BIRD EUGENE A
公开(公告)号:US2908495A
公开(公告)日:1959-10-13
申请号:US53778855
申请日:1955-09-30
Applicant: RCA CORP
Inventor: ANDREWS DALLAS R , BIRD EUGENE A