Home / Standards / GB/T 1918-2011 GB/T 1918-2011 Abolished Potassium nitrate for industrial use 工业硝酸钾 Standard Type GBT ICS 71.060.50 CCS G12 Status 废止 Issue Date 2011-09-14 Implementation 2012-08-01 Responsible Dept 中国石油和化学工业联合会 Drafting Unit N/A