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公开(公告)号:CA398872A
公开(公告)日:1941-08-26
申请号:CA398872D
Applicant: IBM
Inventor: DICKINSON ARTHUR H , ROTH ROBERT I
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公开(公告)号:CA388402A
公开(公告)日:1940-04-30
申请号:CA388402D
Applicant: IBM
Inventor: DICKINSON ARTHUR H , DALY GEORGE F
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公开(公告)号:CA387469A
公开(公告)日:1940-03-12
申请号:CA387469D
Applicant: IBM
Inventor: BRYCE JAMES W , DICKINSON ARTHUR H
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公开(公告)号:CA379532A
公开(公告)日:1939-02-14
申请号:CA379532D
Applicant: IBM
Inventor: DICKINSON ARTHUR H , DALY GEORGE F
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