
Vitreous And Porcelain Enamels - Glass-Lined Apparatus For Process Plants - Part 4: Quality Requirements For Glass-Lined Flanged Steel Pipes And Flanged Steel Fittings
出版:British Standards Institution

專家解讀視頻
2015 [30/11/2015]2012 [30/04/2013]
2012 version incorporates corrigendum to BS ISO 28721-4. Renumbers and supersedes BS ISO 28721-4. Supersedes BS EN 15711, 09/30197538 DC & 12/30260512 DC. (05/2013)
EN ISO 28721-4:2015 - Identical
ISO 28721-4 : 2015 - Identical
EN ISO 28721-4 : 2015 - Identical