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发明名称
FUNCTION EXPLANATION SYSTEM
摘要
申请公布号
JPH02250079(A)
申请公布日期
1990.10.05
申请号
JP19890071199
申请日期
1989.03.23
申请人
NEC CORP
发明人
USHIJIMA TOSHIMITSU
分类号
G09B5/00;G06F9/45;G06F11/32
主分类号
G09B5/00
代理机构
代理人
主权项
地址
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