不会流泪的鱼 发表于 2017-12-13 09:19:32

求ISO4628-6-2011标准

跪求，急用1111111111111111111111111111111

shukesan 发表于 2017-12-14 00:01:06

ISO 4628 Paints and varnishes — Evaluation of degradation of coatings — Designation of quantity and size of defects, and of intensity of uniform changes in appearance

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