TELECOMMUNICATION SWITCHING SYSTEMS,申请号GB19770013131-传众专利搜索

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发明名称	TELECOMMUNICATION SWITCHING SYSTEMS
摘要
申请公布号	GB1570113(A)	申请公布日期	1980.06.25
申请号	GB19770013131	申请日期	1977.03.29
申请人	STANDARD TELEPHONES & CABLES LTD	发明人
分类号	H04M3/12;H04M3/24;H04Q11/04;(IPC1-7):H04M1/24	主分类号	H04M3/12
代理机构		代理人
主权项
地址

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