ASTM A268/A268M-05a Standard Specification for Seamless and Welded Ferritic
leunghb · 2009-12-19 09:22 · 44178 次点击
ASTMA268/A268M-05aStandardSpecificationforSeamlessandWeldedFerriticandMartensiticStainlessSteelTubingforGeneralService
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