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发明名称
Multimedia curriculum device
摘要
申请公布号
USD538347(S1)
申请公布日期
2007.03.13
申请号
US20050241912F
申请日期
2005.11.02
申请人
DAVIS ALAN
发明人
DAVIS ALAN
分类号
主分类号
代理机构
代理人
主权项
地址
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