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公开(公告)号:US3171114A
公开(公告)日:1965-02-23
申请号:US8031961
申请日:1961-01-03
Applicant: IBM
Inventor: BUTLER RICHARD A , HOPEWELL JUNCTION , CADWAILADER ROBERT H , ISOLE JR JOSEPH J , GERR PARK
CPC classification number: G05B19/108 , G05B2219/23175 , G05B2219/23365 , G07C3/005 , G08B5/36 , G09B5/02