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| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| GB/T 37800-2019 |
Hot rolled longitudinally profiled steel plate 热轧纵向变厚度钢板 |
China National Standards Hot rolled profiled |
 English PDF |
| GB/T 3414-2015 |
Hot-rolled profiled steels for coal mechanism 煤机用热轧异型钢 |
China National Standards Hot rolled profiled |
English PDF |
| GB/T 3414-1994 |
Hot-rolled profiled steels for coal mechanism 煤机用热轧异型钢 |
China National Standards Hot rolled profiled |
English PDF |
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