DD ENV 13381-4:2002(the method only) 测定结构薄板耐火性的试验方法,用于防火的钢薄板 test methods for determining the contribution to the fire resistance of structural members - applied protection to steel members
pr ENV 13381-1:2008 Fire resistance
...
DD ENV 13381-4:2002(the method only) 测定结构薄板耐火性的试验方法,用于防火的钢薄板 test methods for determining the contribution to the fire resistance of structural members - applied protection to steel members
pr ENV 13381-1:2008 Fire resistance
...