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发明名称
CONNECTING MODEMS TO SWITCHED NETWORK
摘要
申请公布号
GB8530916(D0)
申请公布日期
1986.01.29
申请号
GB19850030916
申请日期
1985.12.16
申请人
BRITISH TELECOMMUNICATIONS PLC
发明人
分类号
H04L1/22;H04M11/06
主分类号
H04L1/22
代理机构
代理人
主权项
地址
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