24-08-2021
17
كيماوية
الخزفيات
اخرى
355 ج.م.
ISO 28706-4:2016 Vitreous and porcelain enamels — Determination of resistance to chemical corrosion — Part 4: Determination of resistance to chemical corrosion by alkaline liquids using a cylindrical vessel
متبناه
غير الزامى
25.220.50