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经营范围
发明名称
PROCESS FOR PRODUCING HYDRATED IRON OXIDE
摘要
申请公布号
GB2060590(B)
申请公布日期
1983.04.07
申请号
GB19800031810
申请日期
1980.10.02
申请人
TDK ELECTRONICS CO LTD
发明人
分类号
C01G49/02;C01G49/06;C01G49/08;G11B5/706;(IPC1-7):C01G49/02
主分类号
C01G49/02
代理机构
代理人
主权项
地址
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