Phantomschaltung, insbesondere fuer Fernsprechzwecke,申请号DE192801M2813D-传众专利搜索

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发明名称	Phantomschaltung, insbesondere fuer Fernsprechzwecke
摘要
申请公布号	DE530058(C)	申请公布日期	1931.07.20
申请号	DE192801M2813D	申请日期	1928.01.03
申请人	ALGERI MARINO	发明人
分类号	H04B3/26;H04B3/34;H04L5/20;H04M7/08	主分类号	H04B3/26
代理机构		代理人
主权项
地址

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