
Industrial Valves - Isolating Valves For Low-Temperature Applications - Part 1: Design, Manufacturing And Production Testing (Iso 28921-1:2013)
出版:Norwegian Standards (Norges Standardiseringsforbund)

專家解讀視頻
2017 [01/05/2017]
Supersedes NS EN 12567. (05/2017)
ISO 28921-1:2013(R018) - Identical
EN ISO 28921-1 : 2017 - Identical
EN ISO 28921-1:2017 - Identical