| 摘要 |
<P>PROBLEM TO BE SOLVED: To enhance workability in forming new room space or widen new room space while providing a ceiling panel with sufficient rigidity to place heavy equipment thereon. <P>SOLUTION: The ceiling panel is provided with a side reinforcing plate part 42 in such a manner that at least one of the longitudinal side ends 43a of an upper side 43 forming the upper end portion of the side reinforcing plate part 42 is located inwards of the longitudinal end of a ceiling panel face part 41 located therebelow. <P>COPYRIGHT: (C)2003,JPO |
