DIN EN 378-1:2012 制冷系统和热泵.安全性和环境要求.第1部分:基本要求,定义,分类和选择标准.德文版本EN 378-1-2008+A2-2012
Refrigerating systems and heat pumps - Safety and environmental requirements - Part 1: Basic requirements, definitions, classification and selection criteria; German version EN 378-1:2008+A2:2012