Verfahren zum Verbessern der Übertragungseigenschaften einer elektroakustischen Anlage,申请号DE19924229912-传众专利搜索

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发明名称	Verfahren zum Verbessern der Übertragungseigenschaften einer elektroakustischen Anlage
摘要
申请公布号	DE4229912(A1)	申请公布日期	1994.03.10
申请号	DE19924229912	申请日期	1992.09.08
申请人	ALCATEL SEL AKTIENGESELLSCHAFT, 70435 STUTTGART, DE	发明人	WALKER, MICHAEL, 7066 BALTMANNSWEILER, DE;HEITKAEMPER, PETER, DIPL.-ING., 6112 GROSS-ZIMMERN, DE
分类号	H04B1/64;H04M9/08;(IPC1-7):H04B1/62;H04M1/60	主分类号	H04B1/64
代理机构		代理人
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