TELEPHONE LINE CIRCUIT,申请号GB19820019550-传众专利搜索

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发明名称	TELEPHONE LINE CIRCUIT
摘要
申请公布号	GB2102249(A)	申请公布日期	1983.01.26
申请号	GB19820019550	申请日期	1982.07.06
申请人	* INTERNATIONAL STANDARD ELECTRIC CORPORATION	发明人	RAMON CON WOO * CHEA;DANIEL MICHEL * BOLUS
分类号	H04M3/00;H04M19/00;H04Q3/00;(IPC1-7):H04M3/06	主分类号	H04M3/00
代理机构		代理人
主权项
地址

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