Home / Standards / GB/T 29422-2012 GB/T 29422-2012 Active Methods for dealing with the waste solution of chemical analysis of cement 水泥化学分析废液的处理方法 Standard Type GBT ICS 91.100.10 CCS Q11 Status 现行 Issue Date 2012-12-31 Implementation 2013-08-01 Responsible Dept 中国建筑材料联合会 Drafting Unit N/A