| 摘要 |
<P>PROBLEM TO BE SOLVED: To solve the problem of being difficult for coping with secular problems and color tone problems that, wearing-out and stain are caused in an existing guiding block and a color tone object exists except a color for arousing attention. <P>SOLUTION: A surface sheet material 2 or 4 having a plate thickness t2 smaller than a projection (quantity) 1A is stuck to and arranged on its surface to a guiding block 1 laid on a passage surface for guiding a visually disabled person and having a plurality of projections 1A on its surface. <P>COPYRIGHT: (C)2007,JPO&INPIT |
