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发明名称
DATA UPDATE SYSTEM
摘要
申请公布号
JPH0477932(A)
申请公布日期
1992.03.12
申请号
JP19900191769
申请日期
1990.07.19
申请人
NEC CORP
发明人
MATSUMOTO MASARU
分类号
G06F12/00;G06F9/46;G06F9/52
主分类号
G06F12/00
代理机构
代理人
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地址
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