
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 28721-4:2010)
出版:Asociacion Espanola de Normalizacion

專家解讀視頻
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 28721-4:2010)
出版:Asociacion Espanola de Normalizacion
專家解讀視頻