ISO 80000-9:2009 Quantities and units - Part 9: Physical chemistry and molecular physics
DIN EN 16480:2017 history
2022DIN EN 16480:2022-07 Pumps - Rotodynamic pumps - Minimum required efficiency of water pumps and determination of Minimum Efficiency Index (MEI); German version EN 16480:2021
2018DIN EN 16480:2018 Pumps - Rotodynamic Pumps - Minimum required efficiency of water pumps and methods of qualification and verification; German and English version prEN 16480:2017
2017DIN EN 16480:2017 Pumps - Minimum required efficiency of rotodynamic water pumps; German version EN 16480:2016