Unfired pressure vessels - Part 6: Requirements for the design and fabrication of pressure vessels and pressure parts constructed from spheroidal graphite cast iron
LST EN 13445-6-2002LST EN 13445-6-2002/A2-2007LST EN 13445-6-2002/A1-2004LST EN 13445-6-2002/A3-2009LST EN 13445-6-2009 2 leidimasLST EN 13445-6-2009 1 leidimas