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| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| GB/T 38396-2019 |
Pitch products of coal carbonization—Determination of mesophase content—Microscopical analysis by reflected light 焦化沥青类产品 中间相含量的测定 光反射显微分析方法 |
China National Standards mesophase |
 English PDF |
| GB/T 37592-2019 |
Carbonaceous mesophase spheres 中间相炭微球 |
China National Standards mesophase |
English PDF |
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