DIN 55600 Bb.1:1988 Testing of pigments; determination of the significance of colour differences of surface colours according to the CIELAB-formula; examples for calculation and test report
2008DIN 55600 Bb.1:2008 Testing of pigments - Determination of the significance of colour differences of surface colours according to the CIELAB-formula - Examples for calculation and test report
1988DIN 55600 Bb.1:1988 Testing of pigments; determination of the significance of colour differences of surface colours according to the CIELAB-formula; examples for calculation and test report