ASTM A217/A217M-08 Standard Specification for Steel Castings, Martensitic
leunghb · 2009-12-12 13:15 · 49978 次点击
ASTMA217/A217M-08StandardSpecificationforSteelCastings,MartensiticStainlessandAlloy,forPressure-ContainingParts,SuitableforHigh-TemperatureService
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