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发明名称
MAGNETIC RECORDING MEDIA
摘要
申请公布号
GB2069874(A)
申请公布日期
1981.09.03
申请号
GB19810005628
申请日期
1981.02.23
申请人
SONY CORP
发明人
分类号
G11B5/845;(IPC1-7):B05D3/00;B05D3/06
主分类号
G11B5/845
代理机构
代理人
主权项
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