Steuerungsschaltung für elektrodynamische oder piezokeramische Telefonhörerkapseln.,申请号DE19906023700-传众专利搜索

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发明名称	Steuerungsschaltung für elektrodynamische oder piezokeramische Telefonhörerkapseln.
摘要
申请公布号	DE69023700(D1)	申请公布日期	1996.01.04
申请号	DE19906023700	申请日期	1990.05.25
申请人	SIEMENS TELECOMUNICAZIONI S.P.A., CASSINA DE'PECCHI, MAILAND/MILANO, IT	发明人	BURAGLIO, ALBERTO, I-20159 MILANO, IT;COVINI, MARIO, I-20131 MILANO, IT
分类号	H04M1/03;H04M1/60;H04R17/00;(IPC1-7):H04M1/60	主分类号	H04M1/03
代理机构		代理人
主权项
地址

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