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经营范围
发明名称
KNOWLEDGE DATA EXPRESSING SYSTEM
摘要
申请公布号
JPH01259427(A)
申请公布日期
1989.10.17
申请号
JP19880087132
申请日期
1988.04.11
申请人
HITACHI LTD
发明人
FUJINAMI TSUTOMU;HAGA HIROHIDE
分类号
G06F9/44
主分类号
G06F9/44
代理机构
代理人
主权项
地址
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