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公开(公告)号:US2978159A
公开(公告)日:1961-04-04
申请号:US81692859
申请日:1959-05-29
Applicant: IBM
Inventor: GOWER KENNETH N , SCHROEDER ARTHUR H
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公开(公告)号:CA747568A
公开(公告)日:1966-11-29
申请号:CA747568D
Applicant: IBM
Inventor: BOLTON IVOR W , TAUB DANIEL M , OWEN CHARLES E , GOWER KENNETH N , PROUDMAN ANTONY , WARWICK WILLIAM A
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