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发明名称
COMMUNICATION NETWORK
摘要
申请公布号
GB1527370(A)
申请公布日期
1978.10.04
申请号
GB19750052960
申请日期
1975.12.29
申请人
IBM CORP
发明人
分类号
H04B7/185;H04J3/17;H04Q11/04;(IPC1-7):H04Q11/04;H04J6/02
主分类号
H04B7/185
代理机构
代理人
主权项
地址
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