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| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| GB/T 1575-2018 |
Determination of yield of benzene-soluble extract in brown coals 褐煤的苯萃取物产率测定方法 |
China National Standards Determination yield benzene |
 English PDF |
| GB/T 1575-2001 |
Determination of yield of benzene-soluble extract in brown coal 褐煤的苯萃取物产率测定方法 |
China National Standards Determination yield benzene |
English PDF |
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