Improvements in or relating to semi-automatic telephone exchange systems,申请号GB19360015228-传众专利搜索

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发明名称	Improvements in or relating to semi-automatic telephone exchange systems
摘要
申请公布号	GB476048(A)	申请公布日期	1937.11.29
申请号	GB19360015228	申请日期	1936.05.29
申请人	STANDARD TELEPHONES AND CABLES LIMITED;ESMOND PHILIP GOODWIN WRIGHT;GEORGE CLIFFORD HARTLEY	发明人
分类号	H04M5/10	主分类号	H04M5/10
代理机构		代理人
主权项
地址

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