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发明名称
PERMANENT MAGNET
摘要
申请公布号
US5200001(A)
申请公布日期
1993.04.06
申请号
US19900619642
申请日期
1990.11.29
申请人
SUMITOMO SPECIAL METALS CO., LTD.
发明人
HIROSAWA, SATOSHI;HANAKI, ATSUSHI;TOMIZAWA, HIROYUKI;MINO, SHUJI
分类号
C22C45/02;H01F1/057
主分类号
C22C45/02
代理机构
代理人
主权项
地址
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