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发表于 2009-9-15 07:38:21
ASTM B 803-2002 钢芯铝和铝合金导线用高强度锌5%铝铈合金涂层
B803-02 Standard Specification for High-Strength Zinc-5% Aluminum-Mischmetal Alloy-Coated Steel Core Wire for Aluminum and Aluminum-Alloy Conductors, Steel Reinforced