NF A91-315-5*NF EN ISO 28721-5:2016 Vitreous and porcelain enamels - Glass-lined apparatus for process plants - Part 5 : presentation and characterisation of defects
2016NF A91-315-5*NF EN ISO 28721-5:2016 Vitreous and porcelain enamels - Glass-lined apparatus for process plants - Part 5 : presentation and characterisation of defects