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| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| GB/T 8899-2013 |
Determination of maceral group composition and minerals in coal 煤的显微组分组和矿物测定方法 |
China National Standards maceral |
 English PDF |
| GB/T 15588-2013 |
Classification of macerals for bituminous coal 烟煤显微组分分类 |
China National Standards maceral |
English PDF |
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