Chemical analysis of magnesia and magnesia-alumina refractory materials—Flame atomic absorption spectrometric method for determination of manganese oxide content
NORMA vydaná dňa 7.12.2001
Designation standards: GB/T 5069.12-2001
Note: NEPLATNÁ
Publication date standards: 7.12.2001
Country: Chinese technical standard
Kategória: Technické normy GB