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发明名称
Equipment for teaching reading
摘要
申请公布号
GB2195487(A)
申请公布日期
1988.04.07
申请号
GB19860011652
申请日期
1986.05.13
申请人
JOHN * COCKBURN
发明人
JOHN * COCKBURN
分类号
G09B17/00;(IPC1-7):G09B17/00
主分类号
G09B17/00
代理机构
代理人
主权项
地址
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