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发明名称
Preparation of ferromagnetic nimno
摘要
申请公布号
US3380919(A)
申请公布日期
1968.04.30
申请号
US19640342938
申请日期
1964.02.06
申请人
AMPEX CORPORATION
发明人
WICKHAM DONALD G.
分类号
C01G45/12;C01G53/00;C04B35/01;H01F1/03;H01F1/11
主分类号
C01G45/12
代理机构
代理人
主权项
地址
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