▼吸音材2010/01/02 12:12 (C) 株式会社Forex/季楽な家開発奮闘記
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▼吸音材2010/01/02 12:12 (C) 株式会社Forex/季楽な家開発奮闘記
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よみ：きゅうおんざい
繊維質の素材でつくられた音波を吸収する材料。