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经营范围
发明名称
ROAD TRAFFIC INFORMATION SERVICE SYSTEM
摘要
申请公布号
JPS6425630(A)
申请公布日期
1989.01.27
申请号
JP19870182765
申请日期
1987.07.21
申请人
NEC CORP
发明人
OGAWA SHIGERU
分类号
H04B7/26
主分类号
H04B7/26
代理机构
代理人
主权项
地址
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