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公开(公告)号:AT148558T
公开(公告)日:1997-02-15
申请号:AT93308790
申请日:1993-11-03
Applicant: IBM
Inventor: ABRAHAM DAVID WILLIAM , HAMMOND JAMES MICHAEL , KLOS MARTIN ALLEN , ROESSLER KENNETH GILBERT , STOWELL ROBERT MARSHALL , WICKRAMASINGHE HEMANTHA KUMAR
IPC: G01B7/34 , G01B21/30 , G01Q70/04 , H01J37/20 , H01J37/28 , G01N27/00 , B23Q1/28 , G01B5/00