Schaltung fuer Untervermittlungsstellen mit Waehlerbetrieb,申请号DE1934M133313D-传众专利搜索

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发明名称	Schaltung fuer Untervermittlungsstellen mit Waehlerbetrieb
摘要
申请公布号	DE657669(C)	申请公布日期	1938.03.10
申请号	DE1934M133313D	申请日期	1934.12.18
申请人	MIX & GENEST AKT.-GES.	发明人
分类号	H04M3/58	主分类号	H04M3/58
代理机构		代理人
主权项
地址

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