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经营范围
发明名称
INFORMATION SERVICE DEVICE
摘要
申请公布号
JPH09312707(A)
申请公布日期
1997.12.02
申请号
JP19960128042
申请日期
1996.05.23
申请人
NEC CORP
发明人
MAKIHATA KAZUHISA
分类号
H04N1/00;H04M3/42;H04M3/493;H04M3/50;H04M11/08;H04N1/21;H04N1/32;(IPC1-7):H04M11/08
主分类号
H04N1/00
代理机构
代理人
主权项
地址
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