Invention Grant
US08006421B2 Street sign extrusion 失效
街头挤压

Street sign extrusion
Abstract:
A street sign, made typically at least in part using an extrusion process, having a flat elongated section where the name of a street can be inscribed or otherwise indicated, and a length of thickened section along the top edge or the bottom edge of the flat elongated section, and including a channel or slot along at least a portion of the length of the thickened section.
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