NA 032

DIN Standards Committee Gas Technology

DIN EN 437 [CURRENT] references following documents:

Document number Edition Title
EN ISO 3166-1 2020-09 Codes for the representation of names of countries and their subdivisions - Part 1: Country code (ISO 3166-1:2020) More 
EN ISO 6976 2016-08 Natural gas - Calculation of calorific values, density, relative density and Wobbe indices from composition (ISO 6976:2016) More 
EN ISO 13443 2005-05 Natural gas - Standard reference conditions (ISO 13443:1996 including Corrigendum 1:1997) More