Improvements in and relating to Electrical-to-Mechanical Transducers.,申请号GB19660019025-传众专利搜索

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发明名称	Improvements in and relating to Electrical-to-Mechanical Transducers.
摘要
申请公布号	GB1199401(A)	申请公布日期	1970.07.22
申请号	GB19660019025	申请日期	1966.04.29
申请人	DONALD MAYNARD CHAVE	发明人	DONALD MAYNARD CHAVE
分类号	H04R9/02	主分类号	H04R9/02
代理机构		代理人
主权项
地址

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