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发明名称
DATA TRANSMISSION SYSTEM
摘要
申请公布号
EP0230714(B1)
申请公布日期
1992.04.29
申请号
EP19860307751
申请日期
1986.10.08
申请人
NORTHERN TELECOM LIMITED
发明人
FISHER, DAVID ANTHONY
分类号
H03M7/14;H03M5/16;H04L25/49
主分类号
H03M7/14
代理机构
代理人
主权项
地址
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