Improvements in or relating to automatic or semi-automatic telephone or like systems,申请号GB19340013487-传众专利搜索

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发明名称	Improvements in or relating to automatic or semi-automatic telephone or like systems
摘要
申请公布号	GB429130(A)	申请公布日期	1935.05.24
申请号	GB19340013487	申请日期	1933.11.24
申请人	STANDARD TELEPHONES AND CABLES LIMITED;ESMOND PHILIP GOODWIN WRIGHT;GEORGE CLIFFORD HARTLEY;FREDERICK HARRY BRAY	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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