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| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| GB/T 8454-2020 |
Reduced ilmenite powder for welding rob—Determination of ferrous iron content—Potassium dichromate titrimetric method 焊条用还原钛铁矿粉 亚铁含量的测定 重铬酸钾滴定法 |
China National Standards ilmenite |
 English PDF |
| GB/T 8454-1987 |
Determination of ferrous iron contentin reduced ilmenite powder for welding rod 焊条用还原钛铁矿粉中亚铁量的测定 |
China National Standards ilmenite |
English PDF |
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