ASTM A508/A508M-05b Standard Specification for Quenched and Tempered

  leunghb ·  2010-01-10 10:30  ·  39296 次点击
ASTMA508/A508M-05bStandardSpecificationforQuenchedandTemperedVacuum-TreatedCarbonandAlloySteelForgingsforPressureVessels
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