2017ISO 2931:2017 Anodizing of aluminium and its alloys - Assessment of quality of sealed anodic oxidation coatings by measurement of admittance
2010ISO 2931:2010 Anodizing of aluminium and its alloys - Assessment of quality of sealed anodic oxidation coatings by measurement of admittance
1983ISO 2931:1983 Anodizing of aluminium and its alloys; Assessment of quality of sealed anodic oxide coatings by measurement of admittance or impedance
1975ISO 2931:1975 Title missing - Legacy paper document