Improvements relating to automatic telephone and like selective systems,申请号GB19340027395-传众专利搜索

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发明名称	Improvements relating to automatic telephone and like selective systems
摘要
申请公布号	GB439323(A)	申请公布日期	1935.12.04
申请号	GB19340027395	申请日期	1934.09.24
申请人	SIEMENS BROTHERS & CO., LIMITED;HORACE EDGAR HUMPHRIES;RONALD ISAAC HERBERT CLARK	发明人
分类号	H04Q3/00	主分类号	H04Q3/00
代理机构		代理人
主权项
地址

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