China National Standards

China phosphonic GB Standards List


  •  China "phosphonic" GB Standards List:
  • Standard  Code Standard Title Standard Class Order
    GB/T 22591-2008 Water treatment chemicals - Bis-hexamethylene ariamine penta-methylene phosphonic acid
    水处理剂 双1,6-亚己基三胺五亚甲基膦酸
    China National Standards
    phosphonic

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