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公开(公告)号:US2857032A
公开(公告)日:1958-10-21
申请号:US42741854
申请日:1954-05-04
Applicant: IBM
Inventor: JOHNSON REYNOLD B , HARKER JOHN M , KEAN DAVID W , LYNOTT JOHN J
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公开(公告)号:CA785987A
公开(公告)日:1968-05-21
申请号:CA785987D
Applicant: IBM
Inventor: BOWDLE RAYMOND R , STEVENS LOUIS D , DAVIS JAMES H , LYNOTT JOHN J , GODDARD WILLIAM A , KEAN DAVID W
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