Schaltungsanordnung zur UEbertragung von Alarmmeldungen ueber ein Fernsprechnetz,申请号DE1937I057222D-传众专利搜索

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发明名称	Schaltungsanordnung zur UEbertragung von Alarmmeldungen ueber ein Fernsprechnetz
摘要
申请公布号	DE760243(C)	申请公布日期	1953.06.15
申请号	DE1937I057222D	申请日期	1937.02.25
申请人	INTERNATIONAL STANDARD ELECTRIC CORPORATION	发明人	DEAKIN GERALD;HATTON WILLIAM;HAIGH LESLIE BAINES
分类号	H04M11/04	主分类号	H04M11/04
代理机构		代理人
主权项
地址

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