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发明名称
RECORD DISC ARRANGEMENTS
摘要
申请公布号
GB2017380(A)
申请公布日期
1979.10.03
申请号
GB19790009756
申请日期
1979.03.20
申请人
SIEMENS AG
发明人
分类号
G11B17/03;G11B23/033;(IPC1-7):G11B23/04;G11B5/01
主分类号
G11B17/03
代理机构
代理人
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