Firefighting equipment – Explosion-proof portable transfer pump for dangerous fluids, with electric motor – Requirements, testing
standard by Deutsches Institut Fur Normung E.V. (German National Standard), 01/01/2005

Firefighting equipment – Explosion-proof portable transfer pump for dangerous fluids, with electric motor – Requirements, testing
standard by Deutsches Institut Fur Normung E.V. (German National Standard), 12/01/2013