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发明名称
Improvements in and relating to gramophone pickups and like transducers
摘要
申请公布号
GB968143(A)
申请公布日期
1964.08.26
申请号
GB19590028337
申请日期
1959.08.19
申请人
COSMOCORD LIMITED
发明人
WALTON JEAN
分类号
H04R17/08
主分类号
H04R17/08
代理机构
代理人
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地址
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