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发明名称
Web cam English teaching with automatic appointment and delivery system
摘要
申请公布号
AU2003244522(A1)
申请公布日期
2006.01.12
申请号
AU20030244522
申请日期
2003.07.08
申请人
LEUNG SAU KEI
发明人
LEUNG LARRY SAU KEI
分类号
G09B5/04;G09B19/04
主分类号
G09B5/04
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代理人
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