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发明名称
MAGNETIC RECORDING MEDIUM
摘要
申请公布号
JPH02273315(A)
申请公布日期
1990.11.07
申请号
JP19890094543
申请日期
1989.04.13
申请人
NEC CORP
发明人
TAGAMI MASAMICHI
分类号
G11B5/66;G11B5/64;G11B5/65;G11B5/706;G11B5/73
主分类号
G11B5/66
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代理人
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