兑水 发表于 2009-9-10 19:36:56

ASTM A 989-2005高温下使用的热等静加压成形的合金钢法兰...

A989-98(2002) Standard Specification for Hot Isostatically-Pressed Alloy Steel Flanges, Fittings, Valves, and Parts for High Temperature Service
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