https://www.sis.se/en/produkter/metrology-and-measurement-physical-phenomena/optics-and-optical-measurements/colours-and-measurement-of-light/ssen13523222017/
Standard - Coil coated metals - Test methods - Part 22: Colour difference - Visual comparison SS-EN...
Coil coated metals - Test methods - Part 22: Colour difference - Visual comparison - SS-EN 13523-22:2017This part of the EN 13523 series specifies the...
test methodscolour differencevisual comparisonstandardcoil