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| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| GB/T 39255-2020 |
Gases and gas mixtures for welding and cutting processes 焊接与切割用保护气体 |
China National Standards Gases gas mixtures |
 English PDF |
| GB/T 37180-2018 |
Gas analysis—Handling of calibration gases and gas mixtures—Guidelines 气体分析-校准用纯气和混合气体的使用-指南 |
China National Standards Gases gas mixtures |
English PDF |
| GB 30000.13-2013 |
Rules for classification and labelling of chemicals - Part 13: Substances and mixtures which, in contact with water, emit flammable gases 化学品分类和标签规范 第13部分：遇水放出易燃气体的物质和混合物 |
China National Standards Gases gas mixtures |
English PDF |
| GB/T 27862-2011 |
Testing method for classification of chemical hazards - Fire potential and oxidizing ability of gases and gas mixtures 化学品危险性分类试验方法 气体和气体混合物燃烧潜力和氧化能力 |
China National Standards Gases gas mixtures |
English PDF |
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