Invention Grant
US07730653B2 Information display system 失效
信息显示系统

Information display system
Abstract:
An information display system provides an effective device for the storage and display of information. An H-shaped frame provides easy installation and ease of manufacture. An information storage unit is attached to the H-shaped frame and provides a sealed unit that is easy to access but that protects the contents from exposure to the elements.
Public/Granted literature
Information query
Patent Agency Ranking
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