ASTM A179/A179M-90a(2005) Standard Specification for Seamless Cold-Drawn
leunghb · 2009-12-10 09:58 · 37680 次点击
ASTMA179/A179M-90a(2005)StandardSpecificationforSeamlessCold-DrawnLow-CarbonSteelHeat-ExchangerandCondenserTubes
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