NA to BS EN 1993-1-12:2007 UK National Annex to Eurocode 3. Design of steel structures. Additional rules for the extension of EN 1993 up to steel grades S 700
2008NA to BS EN 1993-1-12-2008 UK National Annex to Eurocode 3. Design of steel structures. Additional rules for the extension of EN 1993 up to steel grades S 700
2008NA to BS EN 1993-1-12:2007 UK National Annex to Eurocode 3. Design of steel structures. Additional rules for the extension of EN 1993 up to steel grades S 700