DIN EN ISO 22553-2 E:2020 文件草案 油漆和清漆 电镀涂料 第2部分:均镀能力 (ISO 22553-2:2019) 德文版和英文版 prEN ISO 22553-2:2020
Draft Document - Paints and varnishes - Electro-deposition coatings - Part 2: Throwing power (ISO 22553-2:2019); German and English version prEN ISO 22553-2:2020