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发明名称
MAGNETIC OXIDES AND PREPARATION THEREOF
摘要
申请公布号
GB1556225(A)
申请公布日期
1979.11.21
申请号
GB19760044917
申请日期
1976.10.28
申请人
UNIBRA SA
发明人
分类号
C01G49/02;C01G49/00;C07C31/28;G11B5/706;H01F1/11;(IPC1-7):01B13/14;01G49/02
主分类号
C01G49/02
代理机构
代理人
主权项
地址
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