
Refrigerating Systems And Heat Pumps - Qualification Of Tightness Of Components And Joints (Iso 14903:2017)
出版:Osterreichisches Normungsinstitut

专家解读视频
2017 [15/12/2017]
Supersedes ONORM EN 16084. (12/2017)
EN ISO 14903 : 2017 - Identical
ISO 14903 : 2017 - Identical
EN ISO 14903 : 2017 - Identical
EN ISO 14903:2017 - Identical