IEC 60332-3-21:着火条件下电缆的测试第3-21部分:垂直安装的成束电线或电缆的垂直火焰蔓延的测试种类A F/RIEC 60332-3-21:Tests on Electric Cables Under Fire Conditions - Part 3-21: Test for Vertical Flame Spread of Vertically-Mounted Bunched Wires or Cables - Category A F/R
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来源:防火网 发布时间:1/3/2014 点击次数:2031