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发明名称
Method of preparing ferrimagnetic materials
摘要
申请公布号
US3062746(A)
申请公布日期
1962.11.06
申请号
US19600011431
申请日期
1960.02.29
申请人
W. R. GRACE & CO.
发明人
MACCALLUM ROBERT B.;HURLEY FORREST R.
分类号
C04B35/26;C30B9/00
主分类号
C04B35/26
代理机构
代理人
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地址
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