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发明名称
DATA SYSTEM
摘要
申请公布号
GB1503381(A)
申请公布日期
1978.03.08
申请号
GB19750008734
申请日期
1975.03.03
申请人
ONTEL CORP
发明人
分类号
G06F13/00;G06F3/153;G06F11/10;G06Q99/00;G09G1/00;(IPC1-7):G06F13/00
主分类号
G06F13/00
代理机构
代理人
主权项
地址
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