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发明名称
Improvements in or relating to gramophone pick-ups and like transducing devices
摘要
申请公布号
GB744416(A)
申请公布日期
1956.02.08
申请号
GB19530009118
申请日期
1953.04.01
申请人
ELECTRIC & MUSICAL INDUSTRIES LIMITED
发明人
ELLIOTT LLEWELLYN JOHN;DIX PETER CYRIL
分类号
H04R17/04;H04R17/06
主分类号
H04R17/04
代理机构
代理人
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