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公开(公告)号:US3111578A
公开(公告)日:1963-11-19
申请号:US86332359
申请日:1959-12-31
Applicant: IBM
Inventor: FRED GERRAND , RED HOOK , GEORGE THOMAS
公开(公告)号:US3111578A
公开(公告)日:1963-11-19
申请号:US86332359
申请日:1959-12-31
Applicant: IBM
Inventor: FRED GERRAND , RED HOOK , GEORGE THOMAS