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发明名称
ADVERTISING DEVICE
摘要
FIELD: advertising. ^ SUBSTANCE: device has prisms, with obtuse-angle rhombus-shaped cross-section, and preset rotation of lead link is reversed. ^ EFFECT: higher efficiency. ^ 1 cl, 6 dwg
申请公布号
RU2263977(C2)
申请公布日期
2005.11.10
申请号
RU20030133193
申请日期
2003.11.12
申请人
发明人
LABUNSKIJ B.I.;PLOTKIN V.EH.
分类号
G09F11/02
主分类号
G09F11/02
代理机构
代理人
主权项
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