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公开(公告)号:US3284727A
公开(公告)日:1966-11-08
申请号:US28960363
申请日:1963-06-21
Applicant: IBM
Inventor: CARLSON KENNETH A , YOUNG DONALD R
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公开(公告)号:CA807823A
公开(公告)日:1969-03-04
申请号:CA807823D
Applicant: IBM
Inventor: YOUNG DONALD R , CARLSON KENNETH A
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