ELECTROMAGNETIC TRANSDUCER AND PORTABLE COMMUNICATION DEVICE,申请号EP20010919964-传众专利搜索

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发明名称	ELECTROMAGNETIC TRANSDUCER AND PORTABLE COMMUNICATION DEVICE
摘要
申请公布号	EP1224838(B1)	申请公布日期	2006.05.31
申请号	EP20010919964	申请日期	2001.04.16
申请人	MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD.	发明人	USUKI, SAWAKO;SAIKI, SHUJI
分类号	H04R13/02	主分类号	H04R13/02
代理机构		代理人
主权项
地址

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