DIN EN ISO 28706-2:2017-07
Действует
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 (ISO 28706-2:2017); German version EN ISO 28706-2:2017
— 27 стр.