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经营范围
发明名称
HANDS FREE PHONE SET
摘要
申请公布号
GB2256774(A)
申请公布日期
1992.12.16
申请号
GB19910012540
申请日期
1991.06.11
申请人
* NEC TECHNOLOGIES;* NEC CORPORATION
发明人
TOSHIYUKI * NISHIHARA
分类号
H04M1/00;H04M1/274;H04M1/275;H04M1/60;H04M1/673;H04W88/02
主分类号
H04M1/00
代理机构
代理人
主权项
地址
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