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发明名称
EDUCATION MANAGEMENT SYSTEM
摘要
申请公布号
JPH09274426(A)
申请公布日期
1997.10.21
申请号
JP19960081685
申请日期
1996.04.03
申请人
MITSUBISHI PRECISION CO LTD
发明人
MUNAKATA IKUO
分类号
G09B7/077;G09B7/08;(IPC1-7):G09B7/077
主分类号
G09B7/077
代理机构
代理人
主权项
地址
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