BS EN 13501-2-2008 Fire classification of construction products and building elements - Part 2: Classification using data from fire resistance tests, excluding ventilation services
JSChairman(zhozhozho)发表:BS EN 13501-2-2008 Fire classification of construction products and building elements - Part 2: Classification using data from fire resistance tests, excluding ventilation services
BS EN 13501-2-2003.pdf
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