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发明名称
MANUFACTURE OF NEEDLELIKE GOETHITE
摘要
申请公布号
JPS5673632(A)
申请公布日期
1981.06.18
申请号
JP19790147144
申请日期
1979.11.15
申请人
TDK ELECTRONICS CO LTD
发明人
HAMAHATA TOSHIHIRO
分类号
C01G49/02;C01G49/00;C01G49/06;G11B5/706;H01F1/11
主分类号
C01G49/02
代理机构
代理人
主权项
地址
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