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经营范围
发明名称
A T1 to CEPT Converter
摘要
申请公布号
IE59770(B1)
申请公布日期
1994.03.23
申请号
IE19870002797
申请日期
1987.10.19
申请人
TELLABS RESEARCH LIMITED
发明人
分类号
H03M;H04L25/00;H04M;(IPC1-7):H04L25/00
主分类号
H03M
代理机构
代理人
主权项
地址
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