Gas supply systems - Pipelines for maximum operating pressure up to and including 16 bar - Part 3: Specific functional recommendations for steel; German version EN 12007-3:2000— 12 стр.
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.