Gas infrastructure - Pipelines for maximium operating pressure up to and including 16 bar - Part 5: Service lines - Specific functional requirements; German version EN 12007-5:2014— 28 стр.
Gas supply systems - Gas pressure regulating stations for transmission and distribution - Functional requirements; German version EN 12186:2000 + A1:2005— 31 стр.
Gas infrastructure - Gas pressure regulating stations for transmission and distribution - Functional requirements; German version EN 12186:2014— 41 стр.
Natural gas - Measurement of properties - Volumetric properties: density, pressure, temperature and compression factor (ISO 15970:2008); German version EN ISO 15970:2014— 58 стр.
