Improvements in or relating to telephone exchanges,申请号GB19650041737-传众专利搜索

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发明名称	Improvements in or relating to telephone exchanges
摘要
申请公布号	GB1057218(A)	申请公布日期	1967.02.01
申请号	GB19650041737	申请日期	1965.10.01
申请人	STANDARD TELEPHONES AND CABLES LIMITED	发明人	BRYAN DAVID GERALD;BENSON DAVID LIVINGSTONE;ARNOLD JOHN SPENCER
分类号	H04Q3/545	主分类号	H04Q3/545
代理机构		代理人
主权项
地址

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