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发明名称
WERKWIJZE TER BEREIDING VAN EEN FOSFOR EN KOBALT BEVATTEND MAGNETISCH IJZEROXYDEPOEDER, ALSMEDE MAGNETISCH REGISTRATIEMEDIUM VOORZIEN VAN EEN BEKLEDING, DIE MAGNETISCH IJZEROXYDEPOEDER BEVAT, DAT VERKREGEN IS VOLGENS DEZE WERKWIJZE.
摘要
申请公布号
NL187804(B)
申请公布日期
1991.08.16
申请号
NL19820004988
申请日期
1982.12.24
申请人
ISHIHARA SANGYO KAISHA LTD. TE OSAKA, JAPAN.
发明人
分类号
G11B5/706;(IPC1-7):C01G49/06;H01F41/16
主分类号
G11B5/706
代理机构
代理人
主权项
地址
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