24-08-2021
16
كيماوية
الخزفيات
اخرى
340 ج.م.
ISO 28706-5:2010 confirmed in 2021 Vitreous and porcelain enamels — Determination of resistance to chemical corrosion — Part 5: Determination of resistance to chemical corrosion in closed systems.
متبناه
غير الزامى
25.220.50