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发明名称
Telephony device and system
摘要
申请公布号
GB2362290(A)
申请公布日期
2001.11.14
申请号
GB20000024664
申请日期
2000.10.09
申请人
* PROMOTION AND DISPLAY TECHNOLOGY LIMITED
发明人
JOHN KEVIN * FARRELL
分类号
H04M3/42;(IPC1-7):H04M3/42
主分类号
H04M3/42
代理机构
代理人
主权项
地址
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