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发明名称
MAGNETIC RECORDING MEDIUM
摘要
申请公布号
JPH0413216(A)
申请公布日期
1992.01.17
申请号
JP19900141652
申请日期
1990.06.01
申请人
SONY CORP
发明人
KITAYAMA ATSUSHI
分类号
G11B5/66;G11B5/64;G11B5/65;G11B5/78
主分类号
G11B5/66
代理机构
代理人
主权项
地址
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