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经营范围
发明名称
DIGITAL TELEPHONE TERMINAL EQUIPMENT
摘要
申请公布号
JPH04364643(A)
申请公布日期
1992.12.17
申请号
JP19910139384
申请日期
1991.06.12
申请人
NEC CORP
发明人
YAMAGUCHI TAKESHI
分类号
H04M1/00;H04M1/253;H04M1/27;H04M3/54;H04Q3/58
主分类号
H04M1/00
代理机构
代理人
主权项
地址
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