Invention Grant
US08166684B2 Display boards 失效
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Display boards
Abstract:
The present invention provides a display board comprising two flexible planar members joined together along an upper edge. The planar members are extendable between a first position for transport and storage where their lower edges are adjacent and a second position where their lower edges are spaced apart and the flexible planar members are curved. The display board can be used to display posters and other printed matter. It is lightweight and very stable even in the presence of strong winds.
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