Gas-fired absorption and adsorption air-conditioning and/or heat pump appliances with a net heat input not exceeding 70 kW - Part 2: Rational use of energy; German version EN 12309-2:2000— 14 стр.
Environmental labels and declarations - Self-declared environmental claims (Type II environmental labelling) (ISO 14021:1999 + Amd 1:2011); German and English version EN ISO 14021:2001 + A1:2011— 58 стр.
Environmental labels and declarations - Self-declared environmental claims (Type II environmental labelling) (ISO 14021:2016); German and English version EN ISO 14021:2016— 63 стр.