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经营范围
发明名称
CLEANING METHOD FOR MAGNETIC RECORDING MEDIUM
摘要
申请公布号
JPH0417182(A)
申请公布日期
1992.01.21
申请号
JP19900120092
申请日期
1990.05.11
申请人
SONY CORP
发明人
TANNO YOSHIO;KATO YOSHIKATSU
分类号
G11B23/50
主分类号
G11B23/50
代理机构
代理人
主权项
地址
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