| 摘要 |
PROBLEM TO BE SOLVED: To provide a colored transparent grating made of FRP enhancing the hue of a grating made of FRP because of not having a uniform transparent color but being partially transparent with colored grains visible in part. SOLUTION: Reinforcing fibers 4 are mixed in transparent resin 2, and colored large grains 3 of various grain diameters are mixed at coarse density in the resin 2. COPYRIGHT: (C)2006,JPO&NCIPI
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