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发明名称
TELECOMMUNICATION EXCHANGE
摘要
申请公布号
GB2105148(B)
申请公布日期
1985.03.13
申请号
GB19810022709
申请日期
1981.07.23
申请人
* STANDARD TELEPHONES AND CABLES LIMITED
发明人
MARTIN GEOFFREY * COPE;FREDERICK HENRY * REES
分类号
H04Q11/04;(IPC1-7):H04Q11/04;H04M3/22
主分类号
H04Q11/04
代理机构
代理人
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地址
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