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公开(公告)号:CH449271A
公开(公告)日:1967-12-31
申请号:CH1207665
申请日:1965-08-27
Applicant: IBM
Inventor: RICHARD JOSEPH GAMBINO , SIEGFRIED IMANUEL METHFESSEL , FREDERIC HOLTZBERG
IPC: C22C1/02 , C22C1/04 , C22C28/00 , H01F1/03 , H01F1/053 , H01F1/40 , C22C31/00 , H01F1/14