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发明名称
Telephone interface has digital speech processing
摘要
申请公布号
GB2249701(A)
申请公布日期
1992.05.13
申请号
GB19900024438
申请日期
1990.11.09
申请人
* BRITISH TELECOMMUNICATIONS PUBLIC LIMITED COMPANY
发明人
IVAN * BOYD
分类号
H04B1/66
主分类号
H04B1/66
代理机构
代理人
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地址
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