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公开(公告)号:CA827795A
公开(公告)日:1969-11-18
申请号:CA827795D
Applicant: IBM
Inventor: HELLWARTH GEORGE A , BEETLE DAVID H JR , BIDWELL ALEXANDER W
公开(公告)号:CA827795A
公开(公告)日:1969-11-18
申请号:CA827795D
Applicant: IBM
Inventor: HELLWARTH GEORGE A , BEETLE DAVID H JR , BIDWELL ALEXANDER W