Medical gas pipeline systems - Part 1: Pipeline systems for compressed medical gases and vacuum (ISO 7396-1:2007 + Amd 1:2010 + Amd 2:2010); German version EN ISO 7396-1:2007 + A1:2010 + A2:2010— 159 стр.
Natural gas and biomethane for use in transport and biomethane for injection in the natural gas network - Part 1: Specifications for biomethane for injection in the natural gas network; German version EN 16723-1:2016— 22 стр.