Improvements in or relating to electro-mechanical transducers for use in sound recording or reproducing apparatus,申请号GB19560020347-传众专利搜索

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发明名称	Improvements in or relating to electro-mechanical transducers for use in sound recording or reproducing apparatus
摘要
申请公布号	GB834572(A)	申请公布日期	1960.05.11
申请号	GB19560020347	申请日期	1956.07.02
申请人	TELEFUNKEN G.M.B.H.	发明人
分类号	H04R17/08	主分类号	H04R17/08
代理机构		代理人
主权项
地址

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