Switching systems applicable particularly to group selection in automatic telephony systems,申请号GB19560003466-传众专利搜索

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发明名称	Switching systems applicable particularly to group selection in automatic telephony systems
摘要
申请公布号	GB817959(A)	申请公布日期	1959.08.06
申请号	GB19560003466	申请日期	1956.02.03
申请人	STANDARD TELEPHONES AND CABLES LIMITED	发明人
分类号	H04M3/36;H04Q3/00	主分类号	H04M3/36
代理机构		代理人
主权项
地址

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