DIN EN ISO 8289:2001 Vitreous and porcelain enamels - Low voltage test for detecting and locating defects (ISO 8289:2000); German version EN ISO 8289:2001
2001DIN EN ISO 8289:2001 Vitreous and porcelain enamels - Low voltage test for detecting and locating defects (ISO 8289:2000); German version EN ISO 8289:2001