Unfired pressure vessels - Part 6: Requirements for the design and fabrication of pressure vessels and pressure parts constructed from spheroidal graphite cast iron; German version EN 13445-6:2002/A3:2008— 16 стр.
Gas welding equipment - Pressure regulators for gas cylinders used in welding, cutting and allied processes up to 300 bar (ISO 2503:1998); German version EN ISO 2503:1998— 15 стр.