GB/T 27812-2011
Water treatment chemicals - Polyamino Polyether Methylene Phosphonate (PAPEMP) 水处理剂 多氨基多醚基亚甲基膦酸(PAPEMP) |
HG/T 3538-2011
Water treatment chemicals. Sodium ethylene diamine tetramethylene Phosphonate 水处理剂 乙二胺四亚甲基膦酸钠 edtmps |
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