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公开(公告)号:CA469368A
公开(公告)日:1950-11-14
申请号:CA469368D
Applicant: IBM
Inventor: ROTH ROBERT I , WHEELER JOHN N , DICKINSON ARTHUR H
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公开(公告)号:CA418715A
公开(公告)日:1944-02-29
申请号:CA418715D
Applicant: IBM
Inventor: DUNWELL STEPHEN W , WHEELER JOHN N
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公开(公告)号:CA402046A
公开(公告)日:1942-01-06
申请号:CA402046D
Applicant: IBM
Inventor: DICKINSON ARTHUR H , WHEELER JOHN N
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