国外标准列表
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[国外标准] ASTM A90/A90M-01 standard test method for weight mass of coating on Iron and Steel Articles with
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[国外标准] ASTM A906/A906M-02 Standard Specification for Grade 80 and Grade 100 Alloy Steel Chain Slings for Ov
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[国外标准] ASTM A904-04 Standard Specification for 50 Nickel-50 Iron Powder Metallurgy (PM) Soft Magnetic Parts