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	GB/T 7469-1987 Water quality--Determination of the total mercury--Potassium permanganate-pootassium peralfate descomposed method--Dithizone spectrophotometric method 水质总汞的测定高锰酸钾-过硫酸钾消解法双硫腙分光光度法 - 英文版
	GB/T 6730.36-1986 Methods for chemical analysis of iron ores--The flame atomic absorption spectrophotometric method for the determination of copper content 铁矿石化学分析方法原子吸收分光光度法测定铜量 - 英文版
	GB/T 6525-1986 Sintered metal materials--Determinationof compression strength at room temperature 烧结金属材料室温压缩强度的测定 - 英文版
	GB/T 5124.4-1985 Methods for chemical analysis of hardmetals--The photometric peroxide method for the determination of titanium content 硬质合金化学分析方法过氧化物光度法测定钛量 - 英文版
	GB/T 4702.10-1985 Methods for chemical analysis of chromium metal--The cupral spectrophotometric method for the determination of copper content 金属铬化学分析方法铜试剂分光光度法测定铜量 - 英文版
	GB/T 4333.1-1984 Methods for chemical analysis of ferrosilicon--The perchloric acid dehydration-gravimetric method for the determination of silicon content 硅铁化学分析方法高氯酸脱水重量法测定硅量 - 英文版
	GB/T 3850-1983 Impermeable sintered metal materials and hardmetals--Determination of density 致密烧结金属材料与硬质合金密度测定方法 - 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 505-1965 Determination of mercaptan-sulfur in engine fuels (ammonia-copper sulfate method) 发动机燃料硫醇性硫含量测定法 (氨-硫酸铜法) - 英文版

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