Improvements in and relating to manual telephone exchange systems,申请号GB19650017341-传众专利搜索

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发明名称	Improvements in and relating to manual telephone exchange systems
摘要
申请公布号	GB1087785(A)	申请公布日期	1967.10.18
申请号	GB19650017341	申请日期	1965.04.23
申请人	TELEPHONE MANUFACTURING COMPANY	发明人	TROTT CYRIL THOMAS JOHN
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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