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公开(公告)号:CA801209A
公开(公告)日:1968-12-10
申请号:CA801209D
Applicant: RCA CORP
Inventor: BEELITZ HOWARD R
公开(公告)号:CA820483A
公开(公告)日:1969-08-12
申请号:CA820483D
公开(公告)号:CA788627A
公开(公告)日:1968-06-25
申请号:CA788627D