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发明名称
Telehone system with handsfree equipment
摘要
申请公布号
GB2309851(B)
申请公布日期
1998.04.08
申请号
GB19970001836
申请日期
1997.01.29
申请人
* NEC CORPORATION
发明人
OSAMU * SATO
分类号
H04M1/00;H04B1/38;H04B14/02;H04M1/60;H04M9/08;(IPC1-7):H04M1/60
主分类号
H04M1/00
代理机构
代理人
主权项
地址
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