Improvements in or relating to automatic telephone exchanges,申请号GB19550002320-传众专利搜索

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发明名称	Improvements in or relating to automatic telephone exchanges
摘要
申请公布号	GB814943(A)	申请公布日期	1959.06.17
申请号	GB19550002320	申请日期	1955.01.26
申请人	AUTOMATIC TELEPHONE & ELECTRIC COMPANY LIMITED	发明人	HOPLEY HORACE EDWARD;COLLYER KERVYN GEORGE
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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