An automatic telephone system comprising a satellite exchange connected to a main exchange,申请号GB19520010220-传众专利搜索

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发明名称	An automatic telephone system comprising a satellite exchange connected to a main exchange
摘要
申请公布号	GB719656(A)	申请公布日期	1954.12.08
申请号	GB19520010220	申请日期	1952.04.23
申请人	LICENTIA PATENT-VERWALTUNGS-G.M.B.H.	发明人
分类号	H04Q3/58	主分类号	H04Q3/58
代理机构		代理人
主权项
地址

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