chemrd 发表于 2017-3-27 15:23:00

BS-EN-973:2009 Chemicals used for treatment of water intended for human consumpt

本帖最后由 xifeng1115 于 2017-3-27 19:38 编辑

BS-EN-973:2009 Chemicals used for treatment of water Intended for human consumption. Sodium chloride for regeneration of ion exchangers各位，求这个标准。谢谢了。。

liuxilin1215 发表于 2017-3-27 15:23:01

BS EN 973-2009 Chemicals used for treatment of water intended for human consumption — Sodium chloride for regeneration of ion exchangers
http://bbs.infoeach.com/thread-140884-1-1.html

weizhoucui 发表于 2017-3-27 16:23:51

本帖最后由 weizhoucui 于 2017-3-27 16:26 编辑

http://www.doc88.com/p-1886344916422.html
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