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发明名称
Method and device for controlling advertisement display by employing light valve
摘要
申请公布号
HK1088429(A1)
申请公布日期
2008.02.01
申请号
HK20060108660
申请日期
2006.08.04
申请人
ZHOU BEIHUA;WANG SUYUAN;WANG HUAJIE
发明人
SUYAN WANG;HUAJIE WANG
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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