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经营范围
发明名称
Teaching apparatus
摘要
申请公布号
GB9512457(D0)
申请公布日期
1995.08.23
申请号
GB19950012457
申请日期
1995.06.20
申请人
DOHERTY, JOHN
发明人
分类号
主分类号
代理机构
代理人
主权项
地址
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