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发明名称
PERMANENT MAGNETS
摘要
申请公布号
SG48690(G)
申请公布日期
1991.02.14
申请号
SG19900000486
申请日期
1990.07.02
申请人
SUMITOMO SPEC METALS
发明人
分类号
C22C38/00;H01F1/053;H01F1/057;(IPC1-7):H01F1/04
主分类号
C22C38/00
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