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发明名称
摘要
申请公布号
JP2698677(B2)
申请公布日期
1998.01.19
申请号
JP19900010171
申请日期
1990.01.18
申请人
发明人
分类号
G06F15/02;G06K17/00;G06K19/07;(IPC1-7):G06K19/07
主分类号
G06F15/02
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