Home / Standards / HG/T 2770 HG/T 2770 工业聚磷酸铵 工业聚磷酸铵 Standard Type HGT ICS 71.060 CCS G12 Status N/A Issue Date 2008-04-23 Implementation N/A Responsible Dept 发布日期：1996-01-24 Drafting Unit N/A