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发明名称
Personal Computer Lesson System Using Videophones
摘要
申请公布号
AU2002315731(B8)
申请公布日期
2006.11.23
申请号
AU20020315731
申请日期
2002.06.26
申请人
NOVA CORPORATION
发明人
SATORU SUDO
分类号
G09B5/00;G09B5/06;G09B5/14;G09B7/00;G09B19/00;H04M11/00;H04N7/15
主分类号
G09B5/00
代理机构
代理人
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