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经营范围
发明名称
A DIGITAL GROUP MODULATOR
摘要
申请公布号
IE38524(B1)
申请公布日期
1978.03.29
申请号
IE19730002087
申请日期
1973.11.19
申请人
COMPAGNIE IND.DES TELECOMMUNICATIONS
发明人
分类号
H04J1/05;H04J4/00;(IPC1-7):H04J1/04
主分类号
H04J1/05
代理机构
代理人
主权项
地址
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