
Refrigerating systems and heat pumps - Safety and environmental requirements Part 1: Basic requirements, definitions, classification and selection criteria
出版:German Institute for Standardisation (Deutsches Institut für Normung)

专家解读视频
NF EN 378-1:2017 - Identical
UNE EN 378-1:2017 - Identical
UNI EN 378-1:2017 - Identical
SN EN 378-1:2017 - Identical