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公开(公告)号：DE3772864D1
公开(公告)日：1991-10-17
申请号：DE3772864
申请日：1987-06-12
Applicant: IBM
Inventor： MERSIOVSKY LYNDA K , DAFOE CORNELIA R , SPROTT CHARLES N , KENDRICK MELVIN R , GENTRY ALICE V
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