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发明名称
Improvements in or relating to gramophone pick-ups
摘要
申请公布号
GB676489(A)
申请公布日期
1952.07.30
申请号
GB19500016902
申请日期
1950.07.06
申请人
PHILIPS ELECTRICAL INDUSTRIES LIMITED
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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