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发明名称
AN INTEGRATED LARGE ELECTRONIC NOTICE BOARD FOR SCHOOL USED TO PUBLISHING NOTICE AND GUIDE AS WELL AS ASSISTING TEACH
摘要
申请公布号
HK1207249(A2)
申请公布日期
2016.01.22
申请号
HK20150109452
申请日期
2015.09.25
申请人
FUNG CHUN WA
发明人
FUNG CHUN WA
分类号
G09F
主分类号
G09F
代理机构
代理人
主权项
地址
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