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发明名称
VERFAHREN ZUR HERSTELLUNG EINES DAUERMAGNETEN
摘要
申请公布号
DE2216581(B2)
申请公布日期
1977.08.04
申请号
DE19722216581
申请日期
1972.04.06
申请人
发明人
分类号
H01F1/055;H01F1/06;(IPC1-7):C22C1/04
主分类号
H01F1/055
代理机构
代理人
主权项
地址
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