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经营范围
发明名称
An improved gramophone spindle
摘要
申请公布号
GB863741(A)
申请公布日期
1961.03.29
申请号
GB19580025932
申请日期
1958.08.12
申请人
GERARD DELFGOU
发明人
分类号
G11B17/14
主分类号
G11B17/14
代理机构
代理人
主权项
地址
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