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| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| GB/T 31939-2015 |
Hot-rolled steel plates (sheets) and strips for coal mine refuge chamber 矿用救生舱用热轧钢板和钢带 |
China National Standards Steel plate coal |
 English PDF |
| GB/T 31938-2015 |
Steel plate for coal slurry pipeline 煤浆输送管用钢板 |
China National Standards Steel plate coal |
English PDF |
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