KS M ISO 4628-1:2017 Paints and varnishes－Evaluation of degradation of coatings－Designation of quantity and size of defects, and of intensity of uniform changes in appearance－Part 1：General introduction and designation system
2017KS M ISO 4628-1:2017 Paints and varnishes－Evaluation of degradation of coatings－Designation of quantity and size of defects, and of intensity of uniform changes in appearance－Part 1：General introduction and designation system
2012KS M ISO 4628-1:2012 Paints and varnishes－Evaluation of degradation of coatings－Designation of quantity and size of defects, and of intensity of uniform changes in appearance－Part 1：General introduction and designation system