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发明名称
Telephone instrument
摘要
申请公布号
GB2245800(A)
申请公布日期
1992.01.08
申请号
GB19900014592
申请日期
1990.06.29
申请人
* STC PLC
发明人
IAN WILLIAM * JENNINGS
分类号
H04M1/82;H04M3/14
主分类号
H04M1/82
代理机构
代理人
主权项
地址
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