| 摘要 |
PROBLEM TO BE SOLVED: To provide a material for interior finishing work having superior workability and unlikely to break due to impact. SOLUTION: This interior finishing material is for panels 13, 14, 15 for toilet booths 11, and finish layer 7 are provided at both the surface of a compound hardened body 1 as a core member. The compound hardened body 1 is made by hardening paper-making sludge as industrial refuse.
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