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经营范围
发明名称
ELECTRONIC LEARNING MACHINE
摘要
申请公布号
JPH04165386(A)
申请公布日期
1992.06.11
申请号
JP19900292776
申请日期
1990.10.30
申请人
BROTHER IND LTD
发明人
IKEDO TATSUHIRO
分类号
G09B7/02
主分类号
G09B7/02
代理机构
代理人
主权项
地址
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