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| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| GB 40880-2021 |
Specification for coal mine gas classification identification 煤矿瓦斯等级鉴定规范 |
China National Standards Classification coal mine |
 English PDF |
| GB/T 19223-2015 |
Classification of coal mine water 煤矿矿井水分类 |
China National Standards Classification coal mine |
English PDF |
| GB/T 9649.17-2009 |
Terminology classification and code of geology and mineral resources - Part 17: Coal geology 地质矿产术语分类代码 第17部分：煤地质学 |
China National Standards Classification coal mine |
English PDF |
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