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GB/T 15970.9-2007
金属和合金的腐蚀 应力腐蚀试验 第9部分:渐增式载荷或渐增式位移下的预裂纹试样的制备和应用
Corrosion of metal and alloys - Stress corrosion testing - Part 9: Preparation and use of pre-cracked specimens for tests under rising load or rising displacement
GB/T 223.80-2007
Iron,steel and alloy - Determination of trace bismuth and arsenic contents - Hydride generation - atomic fluorescence spectrometric method
GB/T 20931.3-2007
Methods for chemical analysis of lithium - Determination of calcium content - Flame atomic absorption spectrometric method
GB/T 8654.1-2007
金属锰、锰硅合金、锰铁和氮化锰铁 铁含量的测定 邻二氮杂菲分光光度法和三氯化钛 - 重铬酸钾滴定法
Manganese metal, ferromanganese - silicon, ferromanganese and nitrogen - bearing ferromanganese - Determination of iron content - The ortho - phenanthrdine spectrophotometric method and the titanium trichloride - potassium dichromate titrimetric method