Improvements in gramophone pick-ups,申请号GB19390010969-传众专利搜索

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发明名称	Improvements in gramophone pick-ups
摘要
申请公布号	GB527395(A)	申请公布日期	1940.10.08
申请号	GB19390010969	申请日期	1939.04.11
申请人	COSMOCORD LIMITED;ALEX SCHUMANN	发明人
分类号	H04R11/08	主分类号	H04R11/08
代理机构		代理人
主权项
地址

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