UNE-EN 1028-1:2003+A1:2009 Fire-fighting pumps - Fire-fighting centrifugal pumps with primer - Part 1: Classification - General and safety requirements
2009UNE-EN 1028-1:2003+A1:2009 Fire-fighting pumps - Fire-fighting centrifugal pumps with primer - Part 1: Classification - General and safety requirements