TELEPHONE CONCENTRATOR SWITCH ARRANGEMENT,申请号GB19830025648-传众专利搜索

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发明名称	TELEPHONE CONCENTRATOR SWITCH ARRANGEMENT
摘要
申请公布号	GB8325648(D0)	申请公布日期	1983.11.16
申请号	GB19830025648	申请日期	1983.09.26
申请人	PLESSEY TELECOMMUNICATIONS & OFFICE SYSTEMS LTD	发明人
分类号	H04M7/14;H04Q11/04;(IPC1-7):H04Q11/04	主分类号	H04M7/14
代理机构		代理人
主权项
地址

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