Glass in Building - Insulating glass units - Part 1: Generalities, system description, rules for substitution, tolerances and visual quality; German version EN 1279-1:2018— 47 стр.
Glass in building - Thermally toughened soda lime silicate safety glass - Part 1: Definition and description; German version EN 12150-1:2015+A1:2019— 41 стр.