Schaltungsanordnung fuer Fernsprechanlagen mit Waehlerbetrieb,申请号DE1931F071163D-传众专利搜索

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发明名称	Schaltungsanordnung fuer Fernsprechanlagen mit Waehlerbetrieb
摘要
申请公布号	DE655040(C)	申请公布日期	1938.01.07
申请号	DE1931F071163D	申请日期	1931.06.05
申请人	TELEFONBAU;NORMALZEIT LEHNER & CO.;AUGUST HEIBEL	发明人
分类号	H04M5/12;H04M9/00	主分类号	H04M5/12
代理机构		代理人
主权项
地址

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