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	GB/T 4333.7-1984 Methods for chemical analysis of ferrosilicon--The chromatographic separation-barium sulfate gravimetric method for the determination of sulfur content 硅铁化学分析方法色层分离硫酸钡重量法测定硫量 - 英文版
	GB/T 4298-1984 The activation analysis method for the determination of elemental impurities in semiconductor silicon materials 半导体硅材料中杂质元素的活化分析方法 - 英文版
	GB/T 3770-1983 Determination of sound power level for noise emitted by woodworking machinery 木工机床噪声声功率级的测定 - 英文版
	GB/T 3654.1-1983 Methods for chemical analysis of ferroniobium--The paper chromatograph-gravimetric method for the determination of niobium and tantalum content 铌铁化学分析方法纸上色层分离重量法测定铌、钽量 - 英文版
	GB/T 3653.5-1983 Methods for chemical analysis of ferroboron--The chromatographic separation-barium sulfate gravimetric method for the determination of sulfur content 硼铁化学分析方法色层分离硫酸钡重量法测定硫量 - 英文版
	GB/T 2413-1980 Piezoelectric ceramic materials--Measuring methods for determination of volume density 压电陶瓷材料体积密度测量方法 - 英文版
	GB/T 12009.4-2016 (Plastics - Aromatic isocyanates for the production of polyurethane - Part 4: Determination of isocyanate content - amendment No. 1) 塑料聚氨酯生产用芳香族异氰酸酯第4部分：异氰酸根含量的测定《第1号修改单》 - 英文版

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