Improvements in or relating to circuit arrangements for telecommunications systems, for example telephone installations,申请号GB19580025588-传众专利搜索

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发明名称	Improvements in or relating to circuit arrangements for telecommunications systems, for example telephone installations
摘要
申请公布号	GB848160(A)	申请公布日期	1960.09.14
申请号	GB19580025588	申请日期	1958.08.08
申请人	SIEMENS & HALSKE AKTIENGESELLSCHAFT	发明人
分类号	H04Q5/24	主分类号	H04Q5/24
代理机构		代理人
主权项
地址

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