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发明名称
KOBALTHALTIGES FERROMAGNETISCHES PULVERFOERMIGES EISENOXID UND VERFAHREN ZU SEINER HERSTELLUNG
摘要
申请公布号
DE3702161(A1)
申请公布日期
1987.08.06
申请号
DE19873702161
申请日期
1987.01.26
申请人
ISHIHARA SANGYO KAISHA,LTD.
发明人
ISHIKAWA,TATSUO;FUJII,KAZUTAKA;SASAKI,KENICHI;SUZUKI,MITSUO
分类号
G11B5/706;G11B5/714;(IPC1-7):H01F1/09;C09C1/24;C09C3/00
主分类号
G11B5/706
代理机构
代理人
主权项
地址
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