
Refrigerating Systems And Heat Pumps - Qualification Of Tightness Of Components And Joints
出版:Association Francaise de Normalisation

专家解读视频
2017 [01/08/2017]2016 PR [01/06/2016]
Indice de classement: E35-424. PR NF EN ISO 14903 June 2016. (06/2016)
ISO/DIS 14903 : 60.00 (2017) - Identical
EN ISO 14903 : 2017 - Identical
ISO 14903 : 2017 - Identical
ISO 14903 : 2017 - Identical
EN ISO 14903 : 2017 - Identical
EN ISO 14903:2017 - Identical