▼断熱性能2010/01/02 13:53 (C) 株式会社Forex/季楽な家開発奮闘記
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▼断熱性能2010/01/02 13:53 (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：だんねつせいのう
熱貫流抵抗の数値によりランク付けされる居住性能の一つ。