
Refrigerating systems and heat pumps - Safety and environmental requirements - Part 4: Operation, maintenance, repair and recovery
出版:Norwegian Standards (Norges Standardiseringsforbund)

专家解读视频
This European Standard specifies the requirements for the safety of persons and property, provides guidance for the protection of the environment and establishes procedures for the operation, maintenance and repair of refrigerating systems and the recovery of refrigerants.
EN 378-4:2016+A1:2019 - Identical