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发明名称
METHOD FOR DISTINGUISHING ORIGINAL OF A MAGNETICALLY RECORDED MEDIUM FROM ITS DUPLICATES
摘要
申请公布号
GB2168837(A)
申请公布日期
1986.06.25
申请号
GB19850027546
申请日期
1985.11.08
申请人
* TDK CORPORATION
发明人
YOSHIO * MIKAME
分类号
G11B20/10;G11B5/86;G11B20/00;(IPC1-7):G11B27/19
主分类号
G11B20/10
代理机构
代理人
主权项
地址
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