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经营范围
发明名称
MAGNETIC RECORDING MEDIUM
摘要
申请公布号
JPH01173318(A)
申请公布日期
1989.07.10
申请号
JP19870330968
申请日期
1987.12.26
申请人
SONY CORP
发明人
IKUYAMA SEIICHI;ECHIZEN KENJI
分类号
C09D5/23;C09D127/04;C09D127/06;G11B5/73;G11B5/735
主分类号
C09D5/23
代理机构
代理人
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