OVERVOLTAGE PROTECTION SCHEME FOR SUBSCRIBER LOOPS AND METHOD OF PERFORMING SAME,申请号EP19930303518-传众专利搜索

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发明名称	OVERVOLTAGE PROTECTION SCHEME FOR SUBSCRIBER LOOPS AND METHOD OF PERFORMING SAME
摘要
申请公布号	EP0571109(A3)	申请公布日期	1999.11.03
申请号	EP19930303518	申请日期	1993.05.06
申请人	AMERICAN TELEPHONE AND TELEGRAPH COMPANY	发明人	ELDER, JOSEPH MARCUS, JR.
分类号	H02H3/20;H04M3/18;H04Q3/42;(IPC1-7):H04M3/18;H04M3/00	主分类号	H02H3/20
代理机构		代理人
主权项
地址

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