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发明名称
OVERVOLTAGE PROTECTION SCHEME FOR SUBSCRIBER LOOPS AND METHOD OF PERFORMING THE SAME
摘要
申请公布号
KR200142248(Y1)
申请公布日期
1999.06.01
申请号
KR19930007940U
申请日期
1993.05.13
申请人
AT&T CORP.
发明人
ELDER, JR. JOSEPH M.
分类号
H02H3/20;H04M3/18;H04Q3/42;(IPC1-7):H04M1/00
主分类号
H02H3/20
代理机构
代理人
主权项
地址
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