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

YILE28

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

crack propagation - 裂纹扩展（0）投诉

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