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GB/T 31246-2014
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2014-12-05
UNE-EN 1410-2008
Chemicals used for treatment of water intended for human consumption - Cationic polyacrylamides
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DIN EN 1410
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人类生活用水处理用化学品.阳离子聚丙烯酰胺;德文版EN 1410:2008
2008-04-01
DIN EN 1410-DRAFT
Draft Document - Chemicals used for treatment of water intended for human consumption - Cationic polyacrylamides; German and English version prEN 1410:2022
文件草案-人类生活用水处理用化学品-阳离子聚丙烯酰胺;德语和英语版本prEN 1410:2022