| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an attachment structure of a planting tray which allows a planting tray to be fixed on a folded-plate roof easily and firmly without the need of fixing work by screwing of a bolt, a nut or the like. <P>SOLUTION: A planting tray 10 has a structure with a magnetic material (permanent magnet 20) attached to a bottom face 12 thereof and the planting tray 10 is placed on an apex 41a of a folded-plate roof 40 to magnetically attach the magnetic material to the top face of the apex 41a. <P>COPYRIGHT: (C)2012,JPO&INPIT |
