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发明名称
Telephone network
摘要
申请公布号
GB2303271(A)
申请公布日期
1997.02.12
申请号
GB19950014022
申请日期
1995.07.10
申请人
* HONG KONG TELECOMMUNICATIONS LIMITED
发明人
DAVID * CONNOLLY
分类号
H04M3/02;H04M3/428;H04M19/02;(IPC1-7):H04M3/42
主分类号
H04M3/02
代理机构
代理人
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