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Standard
| GB 12955-1991 General technical conditions for steel fire door (English Version) |
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Detail of GB 12955-1991
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Introduction of GB 12955-1991
本标准规定了钢质防火门的分类、技术要求、试验方法以及检验规则等。本标准适用于建筑用平开钢质单、双扇防火门、钢质镶玻璃单、双扇防火门及钢质带亮窗的防火门。
Contents of GB 12955-1991