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发明名称
WATCH WITH LANGUAGE LEARNING DEVICE AND INSERT MEMORY CARD.
摘要
申请公布号
SG130047(A1)
申请公布日期
2007.03.20
申请号
SG20050052535
申请日期
2005.08.25
申请人
LIU MIN
发明人
MIN LIU
分类号
主分类号
代理机构
代理人
主权项
地址
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