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发明名称
COBALT DOPED MAGNETIC IRON OXIDE PARTICLES
摘要
申请公布号
GB1347615(A)
申请公布日期
1974.02.27
申请号
GB19720045790
申请日期
1972.10.04
申请人
AMPEX CORPORATION
发明人
分类号
C01G49/00;G11B5/706;H01F1/11;(IPC1-7):C01G49/06
主分类号
C01G49/00
代理机构
代理人
主权项
地址
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