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发明名称
CONTACT TYPE MAGNETIC RECORDING METHOD AND DEVICE THEREOF
摘要
申请公布号
JPH0554578(A)
申请公布日期
1993.03.05
申请号
JP19910218545
申请日期
1991.08.29
申请人
HITACHI LTD
发明人
HAMAGUCHI TETSUYA
分类号
G11B21/21
主分类号
G11B21/21
代理机构
代理人
主权项
地址
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