国外标准列表
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[国外标准] ASTM A240/A240M-05a Standard Specification for Chromium and Chromium-Nickel Stainless Steel Plate, S
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[国外标准] ASTM A239-95(2004) Standard Practice for Locating the Thinnest Spot in a Zinc (Galvanized) Coating o
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[国外标准] ASTM A234/A234M-05a Standard Specification for Piping Fittings of Wrought Carbon Steel and Alloy Ste
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[国外标准] ASTM A232/A232M-05 Standard Specification for Chromium-Vanadium Alloy Steel Valve Spring Quality Wir