GB/T 12967.4-2014 standard english preview version PDF file download
GB Standard Code
GB/T 12967.4-2014
Standard Category
China National Standards
GB Standard English Title
Test methods for anodic oxidation coatings of aluminium and aluminium alloys―Part 4:Determination of the comparative fastness to ultraviolet light and heat of coloured anodic oxidation coatings
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