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甲級超大防火門

甲級防火門是高等級的防火門。防火門是消防設備中的重要組成部分,分為甲級、乙級、丙級,是社會防火中的重要一環,因此防火門的質量和使用問題是關系著防火成敗的關鍵

甲級超大防火門

甲級防火門是高等級的防火門。防火門是消防設備中的重要組成部分,分為甲級、乙級、丙級,是社會防火中的重要一環,因此防火門的質量和使用問題是關系著防火成敗的關鍵。其耐火隔熱性、耐火完整性大于等于1.5小時!

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