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gb 8454
gb 8454, Total:3 items.
In the international standard classification, gb 8454 involves: Welding, brazing and soldering, Metalliferous minerals.
General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China, gb 8454
- GB 8454-1987 Determination of ferrous iron content in reduced ilmenite powder for welding rod
- GB/T 8454-1987 Determination of ferrous iron content in reduced ilmenite powder for welding rod
国家市场监督管理总局、中国国家标准化管理委员会, gb 8454
- GB/T 8454-2020 Reduced ilmenite powder for welding rob—Determination of ferrous iron content—Potassium dichromate titrimetric method