Pilot circuit for electrodynamic or piezoceramic receiving telephone capsules.,申请号EP19900201329-传众专利搜索

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发明名称	Pilot circuit for electrodynamic or piezoceramic receiving telephone capsules.
摘要
申请公布号	EP0402969(B1)	申请公布日期	1995.11.22
申请号	EP19900201329	申请日期	1990.05.25
申请人	SIEMENS TELECOMUNICAZIONI S.P.A.	发明人	BURAGLIO, ALBERTO;COVINI, MARIO
分类号	H04M1/60;H04M1/03;H04R17/00;(IPC1-7):H04M1/60	主分类号	H04M1/60
代理机构		代理人
主权项
地址

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