
Refrigerating systems and heat pumps - Safety and environmental requirements Definitions, classification and selection criteria (ISO 5149-1:2014, MOD)
出版:Standards Australia

專家解讀視頻
Refrigerating systems and heat pumps - Safety and environmental requirements Definitions, classification and selection criteria (ISO 5149-1:2014, MOD)
出版:Standards Australia
專家解讀視頻