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经营范围
发明名称
MAGNETIC RECORDING MEDIUM
摘要
申请公布号
JPH02146106(A)
申请公布日期
1990.06.05
申请号
JP19880300154
申请日期
1988.11.28
申请人
SONY CORP
发明人
IWASAKI KAZUHARU;MEGURO MASASHI
分类号
G11B5/70;C09D5/23;C09D7/12;G11B5/706;G11B5/852
主分类号
G11B5/70
代理机构
代理人
主权项
地址
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