| 摘要 |
This display sign is designed for the rear window area of automobiles, so as to display different posters, which reflect light from their faces. The sign may be used for bumper stickers, and may be used for political campaigning, sports, etc. Primarily, the design consists of a box with a light, which shines on the reflective face of a removable poster, and the box includes a folding frame, which receives one poster at a time.
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