Fernsprechlinienwaehleranlage mit Sperrschaltung,申请号DE1928K109358D-传众专利搜索

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发明名称	Fernsprechlinienwaehleranlage mit Sperrschaltung
摘要
申请公布号	DE513804(C)	申请公布日期	1930.12.03
申请号	DE1928K109358D	申请日期	1928.05.05
申请人	WENZEL KNOBLOCH	发明人
分类号	H04M9/00	主分类号	H04M9/00
代理机构		代理人
主权项
地址

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