| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a decorative ceiling board which allows a cross groove in a screw head to be obscured even for the case that the decorative ceiling board is fixed directly with a screw from the surface, resulting in wide variety of design selection, with evolving design and excellent workability. <P>SOLUTION: Fine polygonal flakes (1) having low brightness are randomly arranged on a surface (3) having high brightness of a decorative ceiling board body (2). <P>COPYRIGHT: (C)2012,JPO&INPIT |
