Schaltungsanordnung fuer Fernsprechanlagen mit Waehlerbetrieb und Sprechstromverstaerkern,申请号DE1927S083165D-传众专利搜索

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发明名称	Schaltungsanordnung fuer Fernsprechanlagen mit Waehlerbetrieb und Sprechstromverstaerkern
摘要
申请公布号	DE576198(C)	申请公布日期	1933.05.12
申请号	DE1927S083165D	申请日期	1927.12.16
申请人	SIEMENS & HALSKE AKT.-GES.	发明人	DAHMS RUDOLF;KUSCHE WALTER;PFLEIDERER FRITZ
分类号	H04M3/40	主分类号	H04M3/40
代理机构		代理人
主权项
地址

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