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公开(公告)号:DE3470921D1
公开(公告)日:1988-06-09
申请号:DE3470921
申请日:1984-08-23
Applicant: IBM
Inventor: ALEXANDER DOUGLAS ERIC , HOLLAND JAMES FREDERICK , LEONARD HERBERT GENE , REED ALVIN ROY
IPC: F16D41/18 , F16D59/00 , B65H18/12