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经营范围
发明名称
TELEPHONE LINE CIRCUIT
摘要
申请公布号
IL63995(A)
申请公布日期
1984.04.30
申请号
IL19810063995
申请日期
1981.10.05
申请人
ITT
发明人
分类号
H04B3/03;H03H17/00;H04B1/58;H04B3/06;H04B3/14;H04B3/20;H04B3/23;(IPC1-7):H04B3/03
主分类号
H04B3/03
代理机构
代理人
主权项
地址
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