UNE-EN ISO 21968:2020 Non-magnetic metallic coatings on metallic and non-metallic basis materials - Measurement of coating thickness - Phase-sensitive eddy-current method (ISO 21968:2019)
2020UNE-EN ISO 21968:2020 Non-magnetic metallic coatings on metallic and non-metallic basis materials - Measurement of coating thickness - Phase-sensitive eddy-current method (ISO 21968:2019)
2006UNE-EN ISO 21968:2006 Non-magnetic metallic coatings on metallic and non-metallic basis materials. Measurement of coating thickness. Phase sensitive eddy-current method (ISO 21968:2005)