sigh007 发表于 2013-9-14 11:15:16

ASTM A707/A707M-2002

ASTM A707/A707M-2002         
中文名：低温用锻制碳素钢和合金钢法兰规格
英文名：Standard Specification for Forged Carbon and Alloy Steel Flanges for Low- Temperature Service




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