UNI 8457:受单面燃烧的易燃材料-小火燃烧
日期:2011-04-18 00:11
UNI 8457:受单面燃烧的易燃材料-小火燃烧
UNI 8457: Combustible materials liable to be hit by the flames on one side only Fire reaction through contact with a small flame
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09/11 20:29