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经营范围
发明名称
OPTICAL DISK
摘要
申请公布号
JPH05109193(A)
申请公布日期
1993.04.30
申请号
JP19910291875
申请日期
1991.10.14
申请人
SONY CORP
发明人
CHIAKI SUSUMU
分类号
G11B7/007;G11B20/12;G11B20/18
主分类号
G11B7/007
代理机构
代理人
主权项
地址
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