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GB 50243-2016 第10.3.2条 Code for Acceptance of Construction Quality of Ventilation and Air Conditioning Works

Anti-corrosion and insulation暖通空调

GB 50243-2016 第10.3.2条

| **** | Before applying anti-corrosion coating, sheet steel ducts shall undergo rust removal. Unless required by design, galvanized steel ducts generally do not need anti-corrosion paint, but joints, seams, and damaged areas shall be coated. |

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