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经营范围
发明名称
Hydrated Iron Oxide Production
摘要
申请公布号
GB2063233(A)
申请公布日期
1981.06.03
申请号
GB19800036437
申请日期
1980.11.13
申请人
TDK ELECTRONICS CO LTD
发明人
分类号
C01G49/02;C01G49/06;G11B5/706;H01F1/11;(IPC1-7):C01G49/06
主分类号
C01G49/02
代理机构
代理人
主权项
地址
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