2017DIN EN 1434-4/A1 E:2017 Draft Document - Thermal energy meters - Part 4: Pattern approval tests; German and English version EN 1434-4:2015/prA1:2017
2016DIN EN 1434-4:2016 Heat meters - Part 4: Pattern approval tests; German version EN 1434-4:2015
2007DIN EN 1434-4:2007 Heat meters - Part 4: Pattern approval tests English version of DIN EN 1434-4:2007-05