Improvements in or relating to telecommunications exchange systems,申请号GB19660042807-传众专利搜索

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发明名称	Improvements in or relating to telecommunications exchange systems
摘要
申请公布号	GB1131129(A)	申请公布日期	1968.10.23
申请号	GB19660042807	申请日期	1966.09.26
申请人	SIEMENS AKTIENGESELLSCHAFT	发明人
分类号	H04M3/424;H04Q3/00	主分类号	H04M3/424
代理机构		代理人
主权项
地址

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