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公开(公告)号:CA568881A
公开(公告)日:1959-01-13
申请号:CA568881D
Applicant: IBM
Inventor: MALMROS GUSTAV V A , REX DONALD K
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公开(公告)号:CA480264A
公开(公告)日:1952-01-15
申请号:CA480264D
Applicant: IBM
Inventor: DALY GEORGE F , MALMROS GUSTAV V A , HANEY DONALD W
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公开(公告)号:CA773272A
公开(公告)日:1967-12-05
申请号:CA773272D
Applicant: IBM
Inventor: SHAFER ORVILLE B , MALMROS GUSTAV V A
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