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经营范围
发明名称
Videotex system
摘要
申请公布号
CH647903(A5)
申请公布日期
1985.02.15
申请号
CH19790004662
申请日期
1979.05.18
申请人
INTERNATIONAL STANDARD ELECTRIC CORPORATION
发明人
EATON, DOUGLAS JAMES
分类号
G06F3/153;G06F17/30;H04M11/08;(IPC1-7):H04M11/00
主分类号
G06F3/153
代理机构
代理人
主权项
地址
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