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发明名称
Gramophone record slip preventer
摘要
申请公布号
GB698596(A)
申请公布日期
1953.10.21
申请号
GB19520000970
申请日期
1952.01.12
申请人
ARTHUR YATES
发明人
分类号
主分类号
代理机构
代理人
主权项
地址
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