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经营范围
发明名称
GUIDE SIGN UNIT
摘要
PURPOSE:To offer map and ptrnsportation information without time limit, by connecting memories and a computer memorizing the map informrtion to telephone lines.
申请公布号
JPS53134343(A)
申请公布日期
1978.11.22
申请号
JP19770049244
申请日期
1977.04.28
申请人
MITSUBISHI ELECTRIC CORP
发明人
SHIYOUDA SHIGEO
分类号
H04M11/06;G06T11/60;H04M11/00
主分类号
H04M11/06
代理机构
代理人
主权项
地址
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