
Ferromanganeseferromanganese-siliconnitrogen-bearing ferromanganese and manganese metal—Determination of sulfur content—Infrared absorption method and combustion-neutralization method
NORMA vydána dne 30.12.2022
Designation standards: GB/T 5686.7-2022
Publication date standards: 30.12.2022
Country: Chinese technical standard
Kategorie: Technické normy GB