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发明名称
DIGITAL LOOP TRANSMISSION SYSTEM AND APPARATUS/METHOD FOR TESTING CHANNEL UNIT TYPE
摘要
申请公布号
KR100237094(B1)
申请公布日期
2000.01.15
申请号
KR19910010756
申请日期
1991.06.27
申请人
AMERICAN TELEPHONE AND TELEGRAPH COMPAN
发明人
LANE J. ABRAMS;KEVIN LOUGHRAN;DAVID W. MASUKEWICZ;ROBERT L. OVERSTREET, JR.
分类号
H04M3/26;H04M1/24;H04M3/30;H04Q1/24;(IPC1-7):H04L12/42
主分类号
H04M3/26
代理机构
代理人
主权项
地址
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