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GB/T 13748.12-2013
Chemical analysis methods of magnesium and magnesium alloys - Part 12:Determination of copper content
GB/T 13748.15-2013
Chemical analysis methods of magnesium and magnesium alloys - Part 15:Determination of zinc content
GB/T 4797.6-2013
Classification of environmental conditions - Environmental conditions appearing in nature - Dust, sand, salt mist
GB 6364-2013
Electromagnetic environment requirements for aeronautical radio navigation stations
GB/T 29493.7-2013
纺织染整助剂中有害物质的测定 第7部分:聚氨酯涂层整理剂中二异氰酸酯单体的测定
Determination of harmful substances in textile dyeing and finishing auxiliaries - Part 7: Determination of monomeric diisocyanates in polyurethane coating agent
GB/T 13748.9-2013
镁及镁合金化学分析方法 第9部分:铁含量测定 邻二氮杂菲分光光度法
Chemical analysis methods of magnesium and magnesium alloys - Part 9:Determination of iron content - Orthopenanthroline spectrophotometric method