兑水 发表于 2009-9-15 08:50:56

ASTM B 856-2003 包钢加强的(ACSS/TW)同心绞捻铝导线的技术规范

B856-03 Standard Specification for Concentric-Lay-Stranded Aluminum Conductors, Coated Steel Supported (ACSS)
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