KS M ISO 4628-1:2012 涂料和清漆.漆膜降解的评定.缺陷量值、大小和外观均匀改变程度的规定.第1部分:一般说明和名称与符号系统
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