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公开(公告)号:DE2503772A1
公开(公告)日:1975-09-18
申请号:DE2503772
申请日:1975-01-30
Applicant: IBM
Inventor: BEAULIEU THOMAS JOSEPH , PLANTE FRANKLIN THEODORE , MARCHESE MICHAEL ANTHONY , TLASKAL ROBERT HAROLD
IPC: B22F9/24 , H01F1/06 , C22C19/08 , B22F9/00