tdragonfu 发表于 2009-3-17 21:35:10

ASTM A 1016/A 1016M-04a Standard Specification for General Requirements for Ferr

ASTM A1016-04a 铁素体、奥氏体合金钢管和不锈钢管一般要求
ASTM A 1016/A 1016M-04a Standard Specification for General Requirements for Ferritic Alloy Steel, Austenitic Alloy Steel, and Stainless Steel Tubes
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