
Methods for chemical analysis of melted welding fluxes--The EDTA volumetric method for determination of calcium oxide and magnesium oxide content
NORMA vydaná dňa 1.1.1985
Designation standards: GB 5292.12-1985
Note: NEPLATNÁ
Publication date standards: 1.1.1985
Country: Chinese technical standard
Kategória: Technické normy GB