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EN ISO 4628-8-2012

涂料和清漆 漆膜降解的评定 缺陷量值、大小以及外观均匀变化程度的规定 第8部分:评定划痕周围的层离和腐蚀等级

Paints and varnishes. Evaluation of degradation of coatings. Designation of quantity and size of defects,and of intensity of uniform changes in appearance. Part 8:Assessment of degree of delamination and corrosion around a scribe or other artificial defec

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