| 摘要 |
PROBLEM TO BE SOLVED: To provide a long-lasting display board to be affixed to bodies to be affixed with information, such as sleeper of railroad. SOLUTION: This display board states information on the back of a display board 10 made of a synthetic resin and is used by affixing this display board 10 to the bodies to be affixed with information (sleepers, etc.), 2 by adhesives, etc. The prevention of the annihilation of the information by storm is possible as well. |
