Improvements in or relating to piezo-electric electro-mechanical transducers,申请号GB19580005850-传众专利搜索

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发明名称	Improvements in or relating to piezo-electric electro-mechanical transducers
摘要
申请公布号	GB878228(A)	申请公布日期	1961.09.27
申请号	GB19580005850	申请日期	1958.02.24
申请人	TELEFUNKEN G.M.B.H.	发明人
分类号	H01L41/09;H04R17/08	主分类号	H01L41/09
代理机构		代理人
主权项
地址

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