Safety devices for protection against excessive pressure - Part 1: Safety valves (ISO 4126-1:2013/FDAM 1:2016); German and English version EN ISO 4126-1:2013/FprA1:2016
Safety devices for protection against excessive pressure - Part 1: Safety valves (ISO 4126-1:2013 + Amd 1:2016); German version EN ISO 4126-1:2013 + A1:2016— 26 стр.