
Industrial Valves - Isolating Valves For Low-Temperature Applications - Part 1: Design, Manufacturing And Production Testing
出版:Association Francaise de Normalisation

专家解读视频
2017 [01/05/2017]
Indice de classement: E29-490-1. Supersedes NF ISO 28921-1 & NF EN 12567. (05/2017)
EN ISO 28921-1:2017 - Identical
EN ISO 28921-1 : 2017 - Identical
ISO 28921-1:2013(R018) - Identical