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发明名称
语言学系统学生机(2)
摘要
本产品外观有闭合和打开两种状态。
申请公布号
CN3256354D
申请公布日期
2002.09.25
申请号
CN02320584.9
申请日期
2002.04.17
申请人
胡维婧
发明人
胡维婧
分类号
14-01
主分类号
14-01
代理机构
代理人
主权项
地址
410002湖南省长沙市天心区高正街22号
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