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发明名称
Improvements relating to gramophone pick-up arms
摘要
申请公布号
GB803630(A)
申请公布日期
1958.10.29
申请号
GB19570007415
申请日期
1957.03.06
申请人
JEAN LEON ALBERT BORTHAYRE
发明人
分类号
G11B3/08
主分类号
G11B3/08
代理机构
代理人
主权项
地址
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