兑水 发表于 2009-9-12 09:46:10

ASTM B 317-2004 电气用挤压铝和铝合金棒、条、管及结构型材...

B317-02 Standard Specification for Aluminum-Alloy Extruded Bar, Rod, Tube, Pipe, and Structural Profiles for Electrical Purposes (Bus Conductor)
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