美利体育登录入口官网:EN ISO 4628-1:2016 色漆和清漆.漆膜降解的评定.缺陷的量值和大小以及外观均匀变化强度的规定.第1部分:一般说明和指示系统
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 (ISO 4628-1:2016)