Automatic communication system including directly-controlled and register-controlledco-operating exchanges,申请号GB19520003617-传众专利搜索

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发明名称	Automatic communication system including directly-controlled and register-controlledco-operating exchanges
摘要
申请公布号	GB710203(A)	申请公布日期	1954.06.09
申请号	GB19520003617	申请日期	1952.02.11
申请人	STAATSBEDRIJF DER POSTERIJEN, TELEGRAFIE EN TELEFONIE	发明人	OBERMAN ROELOF MAARTEN MARIE
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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