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发明名称
AN IMPROVED COMMUNICATIONS SYSTEM
摘要
申请公布号
EP0410636(A3)
申请公布日期
1992.12.02
申请号
EP19900307849
申请日期
1990.07.18
申请人
AMERICAN TELEPHONE AND TELEGRAPH COMPANY
发明人
HAHNE, ELLEN L.;MAXEMCHUK, NICHOLAS FRANK
分类号
H04L12/28;(IPC1-7):H04L12/28
主分类号
H04L12/28
代理机构
代理人
主权项
地址
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