Schaltungsanordnung für Fernsprechmikrofonverstärker,申请号CH19690018516-传众专利搜索

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法人/股东/高管

发明名称	Schaltungsanordnung für Fernsprechmikrofonverstärker
摘要
申请公布号	CH512862(A)	申请公布日期	1971.09.15
申请号	CH19690018516	申请日期	1969.12.11
申请人	SIEMENS AKTIENGESELLSCHAFT	发明人	KATZ,CHRISTIAN-HELMUT;BEIL,FRANZ,DIPL.-ING.
分类号	H03F3/187;H03F3/347;H03F3/45;H03F3/68;H04M1/60;(IPC1-7):H04M1/60	主分类号	H03F3/187
代理机构		代理人
主权项
地址

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