▼珪藻土保温材2010/01/02 19:05 (C) 株式会社Forex/季楽な家開発奮闘記
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▼珪藻土保温材2010/01/02 19:05 (C) 株式会社Forex/季楽な家開発奮闘記
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(C) Stepup Communications Co.,LTD. All Rights Reserved Powered by samidare. System：enterpriz [network media]
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よみ：けいそうどほおんざい
粉末にした珪藻土に石綿繊維や麻すさなどを混合してつくった保温材。