IEC 304-1982 Standard colours for insulation for low-frequency cables and wires-电线电缆网

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[国外标准] IEC 304-1982 Standard colours for insulation for low-frequency cables and wires

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P:2009-05-30 10:30:15
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IEC 60304-1982 低频电缆和电线用绝缘的标准颜色

IEC 304-1982 Standard colours for insulation for low-frequency cables and wires.pdf

water barrier - 堵水层,防潮层,搁水层,挡水层（0）投诉

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