电线电缆网 > 标准共享 > ASTM B 227-04 冷拉包铜钢丝 Standard Specification for Hard-Drawn Copper-Clad Steel Wire(完整版)
ASTM B 227-04 冷拉包铜钢丝 Standard Specification for Hard-Drawn Copper-Clad Steel Wire - 无图版
Forrest --- 2007-10-12 13:52:50
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老二 --- 2008-08-10 12:48:31
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不错的标准!找了好久!