
Vitreous And Porcelain Enamels - Glass-Lined Apparatus For Process Plants - Part 4: Quality Requirements For Glass-Lined Flanged Steel Pipes And Flanged Steel Fittings (Iso 28721-4:2015)
出版:Belgian Standards

專家解讀視頻
2015 [01/12/2015]2013 [01/02/2013]
Supersedes NBN EN 15711. (03/2013)
EN ISO 28721-4:2015 - Identical
ISO 28721-4 : 2015 - Identical
EN ISO 28721-4 : 2015 - Identical