UNI 8456:受双面燃烧的易燃材料-小火燃烧
日期:2011-05-03 08:00
UNI 8456:受双面燃烧的易燃材料-小火燃烧
UNI 8456: Combustible materials liable to be hit by the flames on both sides Fire reaction through contact with a small flame.
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09/11 20:20