DIN EN 378-4 E:2014-02 Refrigerating systems and heat pumps - Safety and environmental requirements - Part 4: Operation, maintenance, repair and recovey
2019DIN EN 378-4:2019-12 Refrigerating systems and heat pumps - Safety and environmental requirements - Part 4: Operation, maintenance, repair and recovery; German version EN 378-4:2016+A1:2019
2019DIN EN 378-4:2019 Refrigerating systems and heat pumps - Safety and environmental requirements - Part 4: Operation, maintenance, repair and recovery (includes Amendment A1:2019)
2017DIN EN 378-4:2017 Refrigerating systems and heat pumps - Safety and environmental requirements - Part 4: Operation, maintenance, repair and recovery; German version EN 378-4:2016
2012DIN EN 378-4:2012 Refrigerating systems and heat pumps - Safety and environmental requirements - Part 4: Operation, maintenance, repair and recovey; German version EN 378-4:2008+A1:2012
2008DIN EN 378-4:2008 Refrigerating systems and heat pumps - Safety and environmental requirements - Part 4: Operation, maintenance, repair and recovery; English version of DIN EN 378-4:2008-06
2000DIN EN 378-4:2000 Refrigerating systems and head pumps — Safety and environmental requirements — Part 4: Operation, maintenance, repair and recovery