09-01-2013
18
Engineering
Pressure Vessels
0 L.E.
EN 12953-7 / 2002 Shell boilers-part 7: Requirements for Firing Systems for Liquid and Gaseous Fuels For the Boilers.
Cancelled
الغاء وتبني 4748-7-2013 بمرجع ُEN 12953-3-2002
Obligatory
612
27.060