DIN EN ISO 787-19 E:2020 文件草案 顏料的通用測試方法 第19部分:水溶性硝酸鹽的測定(水楊酸法)(ISO/FDIS 787-19:2020) 德文版和英文版 prEN ISO 787-19:2020
Draft Document - General methods of test for pigments - Part 19: Determination of water-soluble nitrates (Salicylic acid method) (ISO/FDIS 787-19:2020); German and English version prEN ISO 787-19:2020