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发明名称
MAGNETIC RECORDING MEDIUM
摘要
申请公布号
JPH04113512(A)
申请公布日期
1992.04.15
申请号
JP19900230702
申请日期
1990.09.03
申请人
HITACHI LTD
发明人
TANI HIROSHI
分类号
G11B5/72;G11B5/64;G11B5/725;G11B5/73;G11B5/738
主分类号
G11B5/72
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代理人
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