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公开(公告)号:CA420110A
公开(公告)日:1944-05-09
申请号:CA420110D
Applicant: IBM
Inventor: FURMAN FRANK J , MILLS ALBERT W
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公开(公告)号:CA382176A
公开(公告)日:1939-06-20
申请号:CA382176D
Applicant: IBM
Inventor: MILLS ALBERT W , FURMAN FRANK J , RABENDA EDWARD J
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