DIN EN 378-1:2021-06 Refrigerating systems and heat pumps - Safety and environmental requirements - Part 1: Basic requirements, definitions, classification and selection criteria; German version EN 378-1:2016+A1:2020
2021DIN EN 378-1:2021 Refrigerating systems and heat pumps - Safety and environmental requirements - Part 1: Basic requirements, definitions, classification and selection criteria; German version EN 378-1:2016+A1:2020
2020DIN EN 378-1:2020 Refrigerating systems and heat pumps - Safety and environmental requirements - Part 1: Basic requirements, definitions, classification and selection criteria (includes Amendment A1:2020)