Magnesite-chrome refractories--Determination of chromium oxide content--Ammonium ferrous sulfate volumetric method
NORM herausgegeben am 17.4.1985
Designation standards: GB/T 5070.8-1985
Note: UNGÜLTIG
Publication date standards: 17.4.1985
Country: Chinese technical standard
Kategorie: Technische Normen GB