Home / Standards / GB/T 31189-2014 GB/T 31189-2014 Active Technical regulation for metal phosphorus from waste water recovery 金属磷化废水中磷回收技术规范 Standard Type GBT ICS 13.030.20 CCS Z05 Status 现行 Issue Date 2014-09-03 Implementation 2015-05-01 Responsible Dept 中国石油和化学工业联合会 Drafting Unit N/A