兑水 发表于 2009-9-5 21:37:03

ASTM A 249-2004 锅炉过热器换热器和冷凝器用焊接奥氏体钢管

A249/A249M-04 Standard Specification for Welded Austenitic Steel Boiler, Superheater, Heat-Exchanger, and Condenser Tubes
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