
Industrial Valves - Isolating Valves For Low-Temperature Applications - Part 2: Type Testing (Iso 28921-2:2015)
出版:British Standards Institution

专家解读视频
2017 [31/03/2017]
Supersedes 14/30293296 DC. Together with BS EN ISO 28921-1, it supersedes BS EN 12567. Renumbers and supersedes BS ISO 28921-2. 2017 Version incorporates corrigendum to BS ISO 28921-2. (03/2017)
EN ISO 28921-2:2017 - Identical
ISO 28921-2 : 2015 - Identical
EN ISO 28921-2 : 2017 - Identical