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发明名称
A METHOD FOR CALCULATING THE ATTANUATION OF THE EXTERIOR DIGITAL SUBSCRIBER LINE
摘要
申请公布号
EP1786187(B1)
申请公布日期
2008.10.08
申请号
EP20060753102
申请日期
2006.07.05
申请人
HUAWEI TECHNOLOGIES CO., LTD.
发明人
LI, SHENG;REN, XIONGWEI
分类号
H04M3/22
主分类号
H04M3/22
代理机构
代理人
主权项
地址
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