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经营范围
发明名称
DEVICE FOR REPRODUCING DATA
摘要
申请公布号
JPH0668614(A)
申请公布日期
1994.03.11
申请号
JP19920223047
申请日期
1992.08.21
申请人
SONY CORP
发明人
URAKAWA YOSHIYUKI
分类号
G11B20/18;H03M13/23;(IPC1-7):G11B20/18;H03M13/12
主分类号
G11B20/18
代理机构
代理人
主权项
地址
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