DIN EN ISO 4628-7:2014-08
Отменен
Paints and varnishes - Evaluation of degradation of coatings - Designation of quantity and size of defects, and of intensity of uniform changes in appearance - Part 7: Assessment of degree of chalking by velvet method (ISO/DIS 4628-7:2014); German version prEN ISO 4628-7:2014
