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公开(公告)号:US2690222A
公开(公告)日:1954-09-28
申请号:US18035450
申请日:1950-08-19
Applicant: IBM
Inventor: WILSON LAWRENCE A , DAYGER JONAS E , BABEL PAUL V , STANTON LESLIE A
公开(公告)号:US2690222A
公开(公告)日:1954-09-28
申请号:US18035450
申请日:1950-08-19
Applicant: IBM
Inventor: WILSON LAWRENCE A , DAYGER JONAS E , BABEL PAUL V , STANTON LESLIE A