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发明名称
Telephone communication with silent response feature
摘要
申请公布号
GB2389480(B)
申请公布日期
2005.04.20
申请号
GB20030012665
申请日期
2003.06.03
申请人
* HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P.
发明人
ROGER CECIL FERRY * TUCKER;PAUL ST JOHN * BRITTAN
分类号
H04M1/65;H04M1/663;H04M1/725;H04M3/42;(IPC1-7):H04M1/64
主分类号
H04M1/65
代理机构
代理人
主权项
地址
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