DIN EN ISO 15721:2001-08 Metallic coatings - Porosity tests - Porosity in gold or palladium coatings by sulfurous acid/sulfur dioxide vapour (ISO 15721:2001); German version EN ISO 15721:2001
2001DIN EN ISO 15721:2001-08 Metallic coatings - Porosity tests - Porosity in gold or palladium coatings by sulfurous acid/sulfur dioxide vapour (ISO 15721:2001); German version EN ISO 15721:2001
2001DIN EN ISO 15721:2001 Metallic coatings - Porosity tests - Porosity in gold or palladium coatings by sulfurous acid/sulfur dioxide vapour (ISO 15721:2001); German version EN ISO 15721:2001