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经营范围
发明名称
OPTICAL DISK
摘要
申请公布号
JPH0594673(A)
申请公布日期
1993.04.16
申请号
JP19910278624
申请日期
1991.09.30
申请人
VICTOR CO OF JAPAN LTD
发明人
YAMAGISHI TORU
分类号
G11B7/00;G11B7/30;G11B20/12;G11B27/00
主分类号
G11B7/00
代理机构
代理人
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