ASTM A694/A694M-08 Standard Specification for Carbon and Alloy Steel Forgings
leunghb · 2010-01-30 07:38 · 52739 次点击
ASTMA694/A694M-08StandardSpecificationforCarbonandAlloySteelForgingsforPipeFlanges,Fittings,Valves,andPartsforHigh-PressureTransmissionService
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