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发明名称
LINE ECHO CANCELLING APPARATUS
摘要
申请公布号
AU6872281(A)
申请公布日期
1981.10.15
申请号
AU19810068722
申请日期
1981.03.25
申请人
WESTERN ELECTRIC CO. INC.
发明人
D.D. FALCONER
分类号
H04L5/14;H04B3/20;H04B3/23
主分类号
H04L5/14
代理机构
代理人
主权项
地址
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