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      <title>双面钢面镁质复合风管</title>
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      <description><![CDATA[明装的消防风管采用双面钢面镁质复合风管,须表面彩钢板和芯材一次性灌浆成型生产工艺的钢面镁质防排烟风管板材，彩钢板外表面需有纳米防腐保护层，彩钢板内层需有高分子镀膜层保护。芯材须无甲醛、无氯离子,不产生反卤，不泛霜,不因受潮变形:钢面镁质防排烟风管须能提供 ...]]></description>
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      <pubDate>Thu, 27 Feb 2025 15:14:42 +0000</pubDate>
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