| 摘要 |
<p>Erectable sign structure consisting of two boards interconnected so as to be placed in a V-formation and magnetically secured to a metallic body, such as a motor car. The outer surface of the structure is adapted to hold information sheets for display, indicating various emergency situations facing the motorist. The information sheets are permanently secured to the structure in a fold-over manner so as to be selectively chosen by the user.</p> |
