Improvements in or relating to toll telecommunication switching systems,申请号GB19460007404-传众专利搜索

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发明名称	Improvements in or relating to toll telecommunication switching systems
摘要
申请公布号	GB642526(A)	申请公布日期	1950.09.06
申请号	GB19460007404	申请日期	1946.03.09
申请人	STANDARD TELEPHONES AND CABLES LIMITED	发明人	WRIGHT ESMOND PHILIP GOODWIN
分类号	H04M15/10	主分类号	H04M15/10
代理机构		代理人
主权项
地址

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