ASTM A249/A249M-08 Standard Specification for Welded Austenitic Steel Boiler

  leunghb ·  2009-12-18 08:05  ·  43736 次点击
ASTMA249/A249M-08StandardSpecificationforWeldedAusteniticSteelBoiler,Superheater,Heat-Exchanger,andCondenserTubes
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