Codes for the representation of names of countries and their subdivisions - Part 1: Country codes (ISO 3166-1:2006); German version EN ISO 3166-1:2006, Corrigendum to DIN EN ISO 3166-1:2007-03; German version EN ISO 3166-1:2006/AC:2007— 2 стр.
Natural gas - Calculation of calorific values, density, relative density and Wobbe index from composition (ISO 6976:1995 including Corrigendum 1:1997, Corrigendum 2:1997 and Corrigendum 3:1999); German version EN ISO 6976:2005— 69 стр.
Electrical apparatus for the detection of combustible gases in domestic premises -- Part 2: Electrical apparatus for continuous operation in a fixed installation in recreational vehicles and similar premises - Additional test methods and performance requirements (english version)
Gas infrastructure - Gas installation pipework with an operating pressure greater than 0,5 bar for industrial installations and greater than 5 bar for industrial and non-industrial installations - Part 1: Detailed functional requirements for design, materials, construction, inspection and testing