NP EN 12373-3-2001 Aluminium and aluminium alloys Anodizing Part 3:Determination of thickness of anodic oxidation coatings.Non-destructive measurement by split-beam microscope
2002NP EN 12373-3-2001 Aluminium and aluminium alloys Anodizing Part 3:Determination of thickness of anodic oxidation coatings.Non-destructive measurement by split-beam microscope