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| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| GB/T 33216-2016 |
Steel open die forgings on hammer—Classification of complexity and equivalent coefficient 锤上钢质自由锻件 复杂程度分类及折合系数 |
China National Standards complexity |
 English PDF |
| GB/T 26638-2011 |
Classification of complexity and equivalent coefficient of open die forgings on hydraulic press 液压机上钢质自由锻件 复杂程度分类及折合系数 |
China National Standards complexity |
English PDF |
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