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经营范围
发明名称
Improvements in and relating to gramophone pickups
摘要
申请公布号
GB827581(A)
申请公布日期
1960.02.10
申请号
GB19540027150
申请日期
1954.09.20
申请人
COSMOCORD LIMITED;ALEC SCHUMANN
发明人
分类号
H04R17/04;H04R17/06
主分类号
H04R17/04
代理机构
代理人
主权项
地址
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