Vitreous and porcelain enamels—Determination of resistance to chemical corrosion—Part 2: Determination of resistance to chemical corrosion by boiling acids, boiling neutral liquids, alkaline liquids and/ or their vapours
NORMA vydaná dňa 29.8.2025
Designation standards: GB/T 9989.2-2025
Note: K dispozici od: březen 2026
Publication date standards: 29.8.2025
Country: Chinese technical standard
Kategória: Technické normy GB