Test methods of crystalline layered sodium disilicate—Potassium fluosilicate volumetric methods for determination of silica dioxide content
NORMA vydaná dňa 11.12.2003
Designation standards: GB/T 19421.10-2003
Note: NEPLATNÁ
Publication date standards: 11.12.2003
Country: Chinese technical standard
Kategória: Technické normy GB