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发明名称
Improvements in and relating to gramophone pickups
摘要
申请公布号
GB869254(A)
申请公布日期
1961.05.31
申请号
GB19560037007
申请日期
1956.12.04
申请人
COSMOCORD LIMITED
发明人
SPENCE ROBERT SYDNEY;MINTON MERTON
分类号
H04R1/16;H04R17/02
主分类号
H04R1/16
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代理人
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地址
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