Piezo speaker for improved passenger cabin audio systems,申请号EP19990108305-传众专利搜索

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发明名称	Piezo speaker for improved passenger cabin audio systems
摘要
申请公布号	EP0936842(B1)	申请公布日期	2004.05.06
申请号	EP19990108305	申请日期	1996.09.25
申请人	NEW TRANSDUCERS LIMITED	发明人	EATWELL, GRAHAM PAUL;MACHACEK, STEVEN L.;PARRELLA, MICHAEL J.
分类号	H04R7/04;H04R17/00;(IPC1-7):H04R25/00;H04B1/00;H03B29/00	主分类号	H04R7/04
代理机构		代理人
主权项
地址

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