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经营范围
发明名称
GRADING LEARNING SYSTEM
摘要
申请公布号
JPH02270060(A)
申请公布日期
1990.11.05
申请号
JP19890330894
申请日期
1989.12.20
申请人
DEYUAN DEII DESHIINO
发明人
DEYUAN DEII DESHIINO
分类号
G06F15/18;G05B13/02;G06N3/00;G06N3/08;G06N99/00
主分类号
G06F15/18
代理机构
代理人
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地址
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