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公开(公告)号:CA1019450A
公开(公告)日:1977-10-18
申请号:CA214181
申请日:1974-11-19
Applicant: IBM
Inventor: BOYD WILLIAM W , ROGERS WAYNE F , TOUPS JAMES W
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公开(公告)号:CA1015064A
公开(公告)日:1977-08-02
申请号:CA210416
申请日:1974-09-30
Applicant: IBM
Inventor: BOYD WILLIAM W , ROGERS WAYNE F , TOUPS JAMES W
IPC: B41J5/40
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