电线电缆网 > 标准共享 > IEC 304-1982 Standard colours for insulation for low-frequency cables and wires（完整版）
IEC 304-1982 Standard colours for insulation for low-frequency cables and wires - 无图版
YILE28 --- 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
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