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发明名称
Multi-service telephone system and method
摘要
申请公布号
GB2321366(B)
申请公布日期
2001.07.25
申请号
GB19970001140
申请日期
1997.01.21
申请人
* ICO SERVICES LTD
发明人
KELLY * HUI
分类号
H04Q7/22;H04B7/15;H04B7/185;H04Q7/24;H04Q7/26;H04Q7/30;(IPC1-7):H04Q7/38
主分类号
H04Q7/22
代理机构
代理人
主权项
地址
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