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发明名称
Telephone ringer control
摘要
申请公布号
GB2354669(A)
申请公布日期
2001.03.28
申请号
GB19990022541
申请日期
1999.09.24
申请人
* INVENTEC ELECTRONICS
发明人
CHENG-SHING * LAI;JING * CAO;HUI * ZHANG
分类号
H04M1/72;(IPC1-7):H04M1/00
主分类号
H04M1/72
代理机构
代理人
主权项
地址
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