Geotechnical investigation and testing - Laboratory testing of soil - Part 1: Determination of water content (ISO 17892-1:2014 + Amd 1:2022); German version EN ISO 17892-1:2014 + A1:2022
Gas-fired central heating boilers - Part 2-1: Specific standard for type C appliances and type B2, B3 and B5 appliances of a nominal heat input not exceeding 1 000 kW; German version EN 15502-2-1:2012+A1:2016— 111 стр.
