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发明名称
A DEVICE FOR BIDIRECTIONAL TRANSMISSION OF DIGITAL INFORMATION
摘要
申请公布号
PL260747(A1)
申请公布日期
1988.05.12
申请号
PL19860260747
申请日期
1986.07.23
申请人
发明人
分类号
H04L;H04L5/14;(IPC1-7):H04L/
主分类号
H04L
代理机构
代理人
主权项
地址
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