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经营范围
发明名称
COMPACT DISCS
摘要
申请公布号
GB9121947(D0)
申请公布日期
1991.11.27
申请号
GB19910021947
申请日期
1991.10.16
申请人
MARCONI GEC LTD
发明人
分类号
G11B7/0055;G11B7/25;G11B7/26
主分类号
G11B7/0055
代理机构
代理人
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地址
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