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| International Standard Category: Welding consumables |
GB/T 8454-1987 Determination of ferrous iron content in reduced ilmenite powder for welding rod
焊条用还原钛铁矿粉中亚铁量的测定 ;
| Category No.: | 25.160.20 | Valid Status: | superseded |
| Issued Organization: | National Standards Bureau | Issued Date: | 1987-01-02 |
| Implemented Date: | 1989-1-1 | Abolished Date: | |
| Superseded Standard.: | GB/T 8454-2020 |
Superseded Date: | 2020-12-1 |
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